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Class   359OPTICAL: SYSTEMS AND ELEMENTS
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[List of Pre Grant Publications for class 359 subclass 1][List of Patents for class 359 subclass 1]1 HOLOGRAPHIC SYSTEM OR ELEMENT
 [List of Pre Grant Publications for class 359 subclass 2][List of Patents for class 359 subclass 2]2 Subclass 2 indent level is 1 Authentication
[List of Pre Grant Publications for class 359 subclass 3][List of Patents for class 359 subclass 3]3 Subclass 3 indent level is 1 Having particular recording medium
[List of Pre Grant Publications for class 359 subclass 4][List of Patents for class 359 subclass 4]4 Subclass 4 indent level is 2 Recyclable
 [List of Pre Grant Publications for class 359 subclass 8][List of Patents for class 359 subclass 8]8 Subclass 8 indent level is 2 Having nonplanar recording medium surface
 [List of Pre Grant Publications for class 359 subclass 9][List of Patents for class 359 subclass 9]9 Subclass 9 indent level is 1 For synthetically generating a hologram
[List of Pre Grant Publications for class 359 subclass 10][List of Patents for class 359 subclass 10]10 Subclass 10 indent level is 1 Using modulated or plural reference beams
 [List of Pre Grant Publications for class 359 subclass 11][List of Patents for class 359 subclass 11]11 Subclass 11 indent level is 2 Spatial, phase or amplitude modulation
 [List of Pre Grant Publications for class 359 subclass 12][List of Patents for class 359 subclass 12]12 Subclass 12 indent level is 1 Copying by holographic means
[List of Pre Grant Publications for class 359 subclass 13][List of Patents for class 359 subclass 13]13 Subclass 13 indent level is 1 Head up display
 [List of Pre Grant Publications for class 359 subclass 14][List of Patents for class 359 subclass 14]14 Subclass 14 indent level is 2 Holograph on curved substrate
[List of Pre Grant Publications for class 359 subclass 15][List of Patents for class 359 subclass 15]15 Subclass 15 indent level is 1 Using a hologram as an optical element
 [List of Pre Grant Publications for class 359 subclass 16][List of Patents for class 359 subclass 16]16 Subclass 16 indent level is 2 With aberration correction
[List of Pre Grant Publications for class 359 subclass 17][List of Patents for class 359 subclass 17]17 Subclass 17 indent level is 2 Scanner
[List of Pre Grant Publications for class 359 subclass 19][List of Patents for class 359 subclass 19]19 Subclass 19 indent level is 2 Lens
 [List of Pre Grant Publications for class 359 subclass 21][List of Patents for class 359 subclass 21]21 Subclass 21 indent level is 1 Having defined page composer
[List of Pre Grant Publications for class 359 subclass 22][List of Patents for class 359 subclass 22]22 Subclass 22 indent level is 1 For producing or reconstructing images from multiple holograms (e.g., color, etc.)
 [List of Pre Grant Publications for class 359 subclass 23][List of Patents for class 359 subclass 23]23 Subclass 23 indent level is 2 Holographic stereogram
 [List of Pre Grant Publications for class 359 subclass 24][List of Patents for class 359 subclass 24]24 Subclass 24 indent level is 2 Superimposed holograms only
[List of Pre Grant Publications for class 359 subclass 25][List of Patents for class 359 subclass 25]25 Subclass 25 indent level is 2 Discrete hologram only
 [List of Pre Grant Publications for class 359 subclass 27][List of Patents for class 359 subclass 27]27 Subclass 27 indent level is 1 Having particular laser source
 [List of Pre Grant Publications for class 359 subclass 28][List of Patents for class 359 subclass 28]28 Subclass 28 indent level is 1 Having multiple object beam or diffuse object illumination
 [List of Pre Grant Publications for class 359 subclass 29][List of Patents for class 359 subclass 29]29 Subclass 29 indent level is 1 Fourier transform holography
[List of Pre Grant Publications for class 359 subclass 30][List of Patents for class 359 subclass 30]30 Subclass 30 indent level is 1 Having optical element between object and recording medium
 [List of Pre Grant Publications for class 359 subclass 31][List of Patents for class 359 subclass 31]31 Subclass 31 indent level is 2 Focused image holography
[List of Pre Grant Publications for class 359 subclass 32][List of Patents for class 359 subclass 32]32 Subclass 32 indent level is 1 For reconstructing image
 [List of Pre Grant Publications for class 359 subclass 33][List of Patents for class 359 subclass 33]33 Subclass 33 indent level is 2 Real image
 [List of Pre Grant Publications for class 359 subclass 34][List of Patents for class 359 subclass 34]34 Subclass 34 indent level is 1 With optical waveguide
 [List of Pre Grant Publications for class 359 subclass 35][List of Patents for class 359 subclass 35]35 Subclass 35 indent level is 1 Hardware for producing a hologram
[List of Pre Grant Publications for class 359 subclass 107][List of Patents for class 359 subclass 107]107 OPTICAL COMPUTING WITHOUT DIFFRACTION
 [List of Pre Grant Publications for class 359 subclass 108][List of Patents for class 359 subclass 108]108 Subclass 108 indent level is 1 Logic gate
[List of Pre Grant Publications for class 359 subclass 196.1][List of Patents for class 359 subclass 196.1]196.1 DEFLECTION USING A MOVING ELEMENT
[List of Pre Grant Publications for class 359 subclass 197.1][List of Patents for class 359 subclass 197.1]197.1 Subclass 197.1 indent level is 1 Using a periodically moving element
[List of Pre Grant Publications for class 359 subclass 198.1][List of Patents for class 359 subclass 198.1]198.1 Subclass 198.1 indent level is 2 With particular mount or driver for element
[List of Pre Grant Publications for class 359 subclass 201.1][List of Patents for class 359 subclass 201.1]201.1 Subclass 201.1 indent level is 2 With multiple scanning elements (e.g., plural lenses, lens and prism, etc.)
[List of Pre Grant Publications for class 359 subclass 204.1][List of Patents for class 359 subclass 204.1]204.1 Subclass 204.1 indent level is 2 Utilizing multiple light beams
[List of Pre Grant Publications for class 359 subclass 205.1][List of Patents for class 359 subclass 205.1]205.1 Subclass 205.1 indent level is 2 Post scanning optical element
[List of Pre Grant Publications for class 359 subclass 209.1][List of Patents for class 359 subclass 209.1]209.1 Subclass 209.1 indent level is 2 Transmissive type moving element
[List of Pre Grant Publications for class 359 subclass 212.1][List of Patents for class 359 subclass 212.1]212.1 Subclass 212.1 indent level is 2 reflective type moving element
[List of Pre Grant Publications for class 359 subclass 221.2][List of Patents for class 359 subclass 221.2]221.2 Subclass 221.2 indent level is 1 With particular mount or drive for element
[List of Pre Grant Publications for class 359 subclass 221.3][List of Patents for class 359 subclass 221.3]221.3 Subclass 221.3 indent level is 2 Bearing or shaft for rotary driver
 [List of Pre Grant Publications for class 359 subclass 222.1][List of Patents for class 359 subclass 222.1]222.1 Subclass 222.1 indent level is 1 By frustrated total internal reflection
[List of Pre Grant Publications for class 359 subclass 223.1][List of Patents for class 359 subclass 223.1]223.1 Subclass 223.1 indent level is 1 By moving a reflective element
[List of Pre Grant Publications for class 359 subclass 224.1][List of Patents for class 359 subclass 224.1]224.1 Subclass 224.1 indent level is 2 Reflective element moved by deformable support
 [List of Pre Grant Publications for class 359 subclass 225.1][List of Patents for class 359 subclass 225.1]225.1 Subclass 225.1 indent level is 2 Pivotally or moving in circular arc
 [List of Pre Grant Publications for class 359 subclass 226.1][List of Patents for class 359 subclass 226.1]226.1 Subclass 226.1 indent level is 2 Rotating
 [List of Pre Grant Publications for class 359 subclass 226.2][List of Patents for class 359 subclass 226.2]226.2 Subclass 226.2 indent level is 1 Pivotal or rotational element
 [List of Pre Grant Publications for class 359 subclass 226.3][List of Patents for class 359 subclass 226.3]226.3 Subclass 226.3 indent level is 1 Fluid filled medium
[List of Pre Grant Publications for class 359 subclass 227][List of Patents for class 359 subclass 227]227 LIGHT CONTROL BY OPAQUE ELEMENT OR MEDIUM MOVABLE IN OR THROUGH LIGHT PATH
 [List of Pre Grant Publications for class 359 subclass 228][List of Patents for class 359 subclass 228]228 Subclass 228 indent level is 1 Fluid
 [List of Pre Grant Publications for class 359 subclass 229][List of Patents for class 359 subclass 229]229 Subclass 229 indent level is 1 With glare or flicker elimination
[List of Pre Grant Publications for class 359 subclass 230][List of Patents for class 359 subclass 230]230 Subclass 230 indent level is 1 Electro-mechanical
 [List of Pre Grant Publications for class 359 subclass 231][List of Patents for class 359 subclass 231]231 Subclass 231 indent level is 2 String or ribbon type
 [List of Pre Grant Publications for class 359 subclass 232][List of Patents for class 359 subclass 232]232 Subclass 232 indent level is 1 Slit type
 [List of Pre Grant Publications for class 359 subclass 233][List of Patents for class 359 subclass 233]233 Subclass 233 indent level is 1 With relative motion of two apertured elements
[List of Pre Grant Publications for class 359 subclass 234][List of Patents for class 359 subclass 234]234 Subclass 234 indent level is 1 With rotating or pivoting element (e.g., scanning discs)
 [List of Pre Grant Publications for class 359 subclass 235][List of Patents for class 359 subclass 235]235 Subclass 235 indent level is 2 Continuously rotating apertured element
 [List of Pre Grant Publications for class 359 subclass 236][List of Patents for class 359 subclass 236]236 Subclass 236 indent level is 2 Element rotates about axis perpendicular to light path
[List of Pre Grant Publications for class 359 subclass 237][List of Patents for class 359 subclass 237]237 OPTICAL MODULATOR
[List of Pre Grant Publications for class 359 subclass 238][List of Patents for class 359 subclass 238]238 Subclass 238 indent level is 1 Light wave temporal modulation (e.g., frequency, amplitude, etc.)
 [List of Pre Grant Publications for class 359 subclass 239][List of Patents for class 359 subclass 239]239 Subclass 239 indent level is 2 Modulator output feedback to modulator
[List of Pre Grant Publications for class 359 subclass 240][List of Patents for class 359 subclass 240]240 Subclass 240 indent level is 2 Changing bulk optical parameter
[List of Pre Grant Publications for class 359 subclass 241][List of Patents for class 359 subclass 241]241 Subclass 241 indent level is 3 By actinic radiation (e.g., photochromic)
[List of Pre Grant Publications for class 359 subclass 245][List of Patents for class 359 subclass 245]245 Subclass 245 indent level is 3 Electro-optic
[List of Pre Grant Publications for class 359 subclass 280][List of Patents for class 359 subclass 280]280 Subclass 280 indent level is 3 Magneto-optic
[List of Pre Grant Publications for class 359 subclass 285][List of Patents for class 359 subclass 285]285 Subclass 285 indent level is 3 Acousto-optic
[List of Pre Grant Publications for class 359 subclass 288][List of Patents for class 359 subclass 288]288 Subclass 288 indent level is 3 Thermo-optic
[List of Pre Grant Publications for class 359 subclass 290][List of Patents for class 359 subclass 290]290 Subclass 290 indent level is 2 By changing physical characteristics (e.g., shape, size or contours) of an optical element
[List of Pre Grant Publications for class 359 subclass 298][List of Patents for class 359 subclass 298]298 Subclass 298 indent level is 1 Light wave directional modulation (e.g., deflection or scanning is representative of the modulating signal)
 [List of Pre Grant Publications for class 359 subclass 299][List of Patents for class 359 subclass 299]299 Subclass 299 indent level is 2 Opto-optical device
 [List of Pre Grant Publications for class 359 subclass 300][List of Patents for class 359 subclass 300]300 Subclass 300 indent level is 2 Phase conjugate
[List of Pre Grant Publications for class 359 subclass 301][List of Patents for class 359 subclass 301]301 Subclass 301 indent level is 2 Acting on polarized light
[List of Pre Grant Publications for class 359 subclass 305][List of Patents for class 359 subclass 305]305 Subclass 305 indent level is 2 Acousto-optic
[List of Pre Grant Publications for class 359 subclass 315][List of Patents for class 359 subclass 315]315 Subclass 315 indent level is 2 Electro-optic
[List of Pre Grant Publications for class 359 subclass 321][List of Patents for class 359 subclass 321]321 Subclass 321 indent level is 1 Having particular chemical composition or structure
[List of Pre Grant Publications for class 359 subclass 322][List of Patents for class 359 subclass 322]322 Subclass 322 indent level is 2 Electro-optic crystal material
 [List of Pre Grant Publications for class 359 subclass 324][List of Patents for class 359 subclass 324]324 Subclass 324 indent level is 2 Magneto-optic crystal material
 [List of Pre Grant Publications for class 359 subclass 325][List of Patents for class 359 subclass 325]325 OPTICAL DEMODULATOR
[List of Pre Grant Publications for class 359 subclass 326][List of Patents for class 359 subclass 326]326 OPTICAL FREQUENCY CONVERTER
 [List of Pre Grant Publications for class 359 subclass 327][List of Patents for class 359 subclass 327]327 Subclass 327 indent level is 1 Raman type
[List of Pre Grant Publications for class 359 subclass 328][List of Patents for class 359 subclass 328]328 Subclass 328 indent level is 1 Harmonic generator
 [List of Pre Grant Publications for class 359 subclass 329][List of Patents for class 359 subclass 329]329 Subclass 329 indent level is 2 Third harmonic
 [List of Pre Grant Publications for class 359 subclass 330][List of Patents for class 359 subclass 330]330 Subclass 330 indent level is 1 Parametric oscillator
 [List of Pre Grant Publications for class 359 subclass 331][List of Patents for class 359 subclass 331]331 Subclass 331 indent level is 1 Optical laser acoustic delay line type
 [List of Pre Grant Publications for class 359 subclass 332][List of Patents for class 359 subclass 332]332 Subclass 332 indent level is 1 Dielectric optical waveguide type
[List of Pre Grant Publications for class 359 subclass 333][List of Patents for class 359 subclass 333]333 OPTICAL AMPLIFIER
 [List of Pre Grant Publications for class 359 subclass 334][List of Patents for class 359 subclass 334]334 Subclass 334 indent level is 1 Raman or Brillouin process
 [List of Pre Grant Publications for class 359 subclass 335][List of Patents for class 359 subclass 335]335 Subclass 335 indent level is 1 Free electron
 [List of Pre Grant Publications for class 359 subclass 336][List of Patents for class 359 subclass 336]336 Subclass 336 indent level is 1 Bistable
[List of Pre Grant Publications for class 359 subclass 337][List of Patents for class 359 subclass 337]337 Subclass 337 indent level is 1 Correction of deleterious effects
[List of Pre Grant Publications for class 359 subclass 337.1][List of Patents for class 359 subclass 337.1]337.1 Subclass 337.1 indent level is 2 Spectral gain flattening or equalization
[List of Pre Grant Publications for class 359 subclass 337.2][List of Patents for class 359 subclass 337.2]337.2 Subclass 337.2 indent level is 2 Filtering (e.g., noise)
 [List of Pre Grant Publications for class 359 subclass 337.3][List of Patents for class 359 subclass 337.3]337.3 Subclass 337.3 indent level is 2 Additional dopant or host composition
 [List of Pre Grant Publications for class 359 subclass 337.4][List of Patents for class 359 subclass 337.4]337.4 Subclass 337.4 indent level is 2 Complementary, adjusting stages
[List of Pre Grant Publications for class 359 subclass 337.5][List of Patents for class 359 subclass 337.5]337.5 Subclass 337.5 indent level is 1 Dispersion compensation
 [List of Pre Grant Publications for class 359 subclass 338][List of Patents for class 359 subclass 338]338 Subclass 338 indent level is 2 Using phase conjugation
 [List of Pre Grant Publications for class 359 subclass 339][List of Patents for class 359 subclass 339]339 Subclass 339 indent level is 2 Using saturable or spatial filter
 [List of Pre Grant Publications for class 359 subclass 340][List of Patents for class 359 subclass 340]340 Subclass 340 indent level is 1 Mode locked
[List of Pre Grant Publications for class 359 subclass 341.1][List of Patents for class 359 subclass 341.1]341.1 Subclass 341.1 indent level is 1 Optical fiber
 [List of Pre Grant Publications for class 359 subclass 341.2][List of Patents for class 359 subclass 341.2]341.2 Subclass 341.2 indent level is 2 Bi-directional
[List of Pre Grant Publications for class 359 subclass 341.3][List of Patents for class 359 subclass 341.3]341.3 Subclass 341.3 indent level is 2 Pumping
[List of Pre Grant Publications for class 359 subclass 341.4][List of Patents for class 359 subclass 341.4]341.4 Subclass 341.4 indent level is 2 Feedback
 [List of Pre Grant Publications for class 359 subclass 341.5][List of Patents for class 359 subclass 341.5]341.5 Subclass 341.5 indent level is 2 Composition (e.g., Tm, Tb, Eu, Ho, Dy, Nd)
[List of Pre Grant Publications for class 359 subclass 342][List of Patents for class 359 subclass 342]342 Subclass 342 indent level is 1 Particular active medium (e.g., crystal, plasma, fluid, etc.)
 [List of Pre Grant Publications for class 359 subclass 343][List of Patents for class 359 subclass 343]343 Subclass 343 indent level is 2 Glass (amorphous)
 [List of Pre Grant Publications for class 359 subclass 344][List of Patents for class 359 subclass 344]344 Subclass 344 indent level is 2 Semiconductor
 [List of Pre Grant Publications for class 359 subclass 345][List of Patents for class 359 subclass 345]345 Subclass 345 indent level is 1 Particular pumping type (e.g., electrical, optical, nuclear, magnetic, etc.)
 [List of Pre Grant Publications for class 359 subclass 346][List of Patents for class 359 subclass 346]346 Subclass 346 indent level is 1 Particular resonator cavity (e.g., scanning, confocal or folded mirrors, etc.)
[List of Pre Grant Publications for class 359 subclass 347][List of Patents for class 359 subclass 347]347 Subclass 347 indent level is 1 Multiple pass
 [List of Pre Grant Publications for class 359 subclass 348][List of Patents for class 359 subclass 348]348 Subclass 348 indent level is 2 Regenerative
 [List of Pre Grant Publications for class 359 subclass 349][List of Patents for class 359 subclass 349]349 Subclass 349 indent level is 1 Beam combination or separation
[List of Pre Grant Publications for class 359 subclass 350][List of Patents for class 359 subclass 350]350 HAVING SIGNIFICANT INFRARED OR ULTRAVIOLET PROPERTY
 [List of Pre Grant Publications for class 359 subclass 351][List of Patents for class 359 subclass 351]351 Subclass 351 indent level is 1 Having folded optical path
 [List of Pre Grant Publications for class 359 subclass 352][List of Patents for class 359 subclass 352]352 Subclass 352 indent level is 1 Having polarizing element
 [List of Pre Grant Publications for class 359 subclass 353][List of Patents for class 359 subclass 353]353 Subclass 353 indent level is 1 Including alternative optical path or optical element (e.g., day-night, hi-low magnification)
 [List of Pre Grant Publications for class 359 subclass 354][List of Patents for class 359 subclass 354]354 Subclass 354 indent level is 1 Including continuously variable magnification or focal length (zoom lens, adjustable lens)
[List of Pre Grant Publications for class 359 subclass 355][List of Patents for class 359 subclass 355]355 Subclass 355 indent level is 1 Lens, lens system or component
[List of Pre Grant Publications for class 359 subclass 356][List of Patents for class 359 subclass 356]356 Subclass 356 indent level is 2 Infrared lens
 [List of Pre Grant Publications for class 359 subclass 358][List of Patents for class 359 subclass 358]358 Subclass 358 indent level is 1 Fluid filter or fluid mirror
[List of Pre Grant Publications for class 359 subclass 359][List of Patents for class 359 subclass 359]359 Subclass 359 indent level is 1 Multilayer filter or multilayer reflector
 [List of Pre Grant Publications for class 359 subclass 360][List of Patents for class 359 subclass 360]360 Subclass 360 indent level is 2 Having metal layer
 [List of Pre Grant Publications for class 359 subclass 361][List of Patents for class 359 subclass 361]361 Subclass 361 indent level is 1 Having ultraviolet absorbing or shielding property
[List of Pre Grant Publications for class 359 subclass 362][List of Patents for class 359 subclass 362]362 COMPOUND LENS SYSTEM
 [List of Pre Grant Publications for class 359 subclass 363][List of Patents for class 359 subclass 363]363 Subclass 363 indent level is 1 With image recorder
[List of Pre Grant Publications for class 359 subclass 364][List of Patents for class 359 subclass 364]364 Subclass 364 indent level is 1 With curved reflective imaging element
[List of Pre Grant Publications for class 359 subclass 365][List of Patents for class 359 subclass 365]365 Subclass 365 indent level is 2 Two or more in a series
 [List of Pre Grant Publications for class 359 subclass 367][List of Patents for class 359 subclass 367]367 Subclass 367 indent level is 1 Right angle inspector
[List of Pre Grant Publications for class 359 subclass 368][List of Patents for class 359 subclass 368]368 Subclass 368 indent level is 1 Microscope
 [List of Pre Grant Publications for class 359 subclass 369][List of Patents for class 359 subclass 369]369 Subclass 369 indent level is 2 With viewed screen
[List of Pre Grant Publications for class 359 subclass 370][List of Patents for class 359 subclass 370]370 Subclass 370 indent level is 2 Interference
[List of Pre Grant Publications for class 359 subclass 372][List of Patents for class 359 subclass 372]372 Subclass 372 indent level is 2 With plural optical axes
[List of Pre Grant Publications for class 359 subclass 379][List of Patents for class 359 subclass 379]379 Subclass 379 indent level is 2 Spacing of optical elements axially adjustable
 [List of Pre Grant Publications for class 359 subclass 381][List of Patents for class 359 subclass 381]381 Subclass 381 indent level is 2 Imaging elements movable in and out of optical axis
[List of Pre Grant Publications for class 359 subclass 382][List of Patents for class 359 subclass 382]382 Subclass 382 indent level is 2 Entire microscope adjustable along optical axis
 [List of Pre Grant Publications for class 359 subclass 384][List of Patents for class 359 subclass 384]384 Subclass 384 indent level is 2 With rotatable adjustment
[List of Pre Grant Publications for class 359 subclass 385][List of Patents for class 359 subclass 385]385 Subclass 385 indent level is 2 Illuminator
[List of Pre Grant Publications for class 359 subclass 391][List of Patents for class 359 subclass 391]391 Subclass 391 indent level is 2 Stage or slide carrier
[List of Pre Grant Publications for class 359 subclass 396][List of Patents for class 359 subclass 396]396 Subclass 396 indent level is 2 Transparent slide
[List of Pre Grant Publications for class 359 subclass 399][List of Patents for class 359 subclass 399]399 Subclass 399 indent level is 1 Telescope
 [List of Pre Grant Publications for class 359 subclass 400][List of Patents for class 359 subclass 400]400 Subclass 400 indent level is 2 With viewed screen
 [List of Pre Grant Publications for class 359 subclass 401][List of Patents for class 359 subclass 401]401 Subclass 401 indent level is 2 With image anti-rotation
[List of Pre Grant Publications for class 359 subclass 402][List of Patents for class 359 subclass 402]402 Subclass 402 indent level is 2 Periscope
[List of Pre Grant Publications for class 359 subclass 407][List of Patents for class 359 subclass 407]407 Subclass 407 indent level is 2 Binocular
[List of Pre Grant Publications for class 359 subclass 419][List of Patents for class 359 subclass 419]419 Subclass 419 indent level is 2 With plural optical axes
 [List of Pre Grant Publications for class 359 subclass 421][List of Patents for class 359 subclass 421]421 Subclass 421 indent level is 2 Selectable magnification
 [List of Pre Grant Publications for class 359 subclass 422][List of Patents for class 359 subclass 422]422 Subclass 422 indent level is 2 Variable magnification
[List of Pre Grant Publications for class 359 subclass 423][List of Patents for class 359 subclass 423]423 Subclass 423 indent level is 2 With relay
[List of Pre Grant Publications for class 359 subclass 425][List of Patents for class 359 subclass 425]425 Subclass 425 indent level is 2 Focusing or relatively sliding barrels
 [List of Pre Grant Publications for class 359 subclass 428][List of Patents for class 359 subclass 428]428 Subclass 428 indent level is 2 With reticle
[List of Pre Grant Publications for class 359 subclass 429][List of Patents for class 359 subclass 429]429 Subclass 429 indent level is 2 With line of sight adjustment
 [List of Pre Grant Publications for class 359 subclass 431][List of Patents for class 359 subclass 431]431 Subclass 431 indent level is 2 With prism or U-shaped optical path
 [List of Pre Grant Publications for class 359 subclass 432][List of Patents for class 359 subclass 432]432 Subclass 432 indent level is 1 Variable magnification
 [List of Pre Grant Publications for class 359 subclass 433][List of Patents for class 359 subclass 433]433 Subclass 433 indent level is 1 With tilted lens or tilted image plane
[List of Pre Grant Publications for class 359 subclass 434][List of Patents for class 359 subclass 434]434 Subclass 434 indent level is 1 With relay
 [List of Pre Grant Publications for class 359 subclass 435][List of Patents for class 359 subclass 435]435 Subclass 435 indent level is 2 Repetitious lens structure
[List of Pre Grant Publications for class 359 subclass 436][List of Patents for class 359 subclass 436]436 SCALE OR INDICIA READING
 [List of Pre Grant Publications for class 359 subclass 437][List of Patents for class 359 subclass 437]437 Subclass 437 indent level is 1 Polarizer
 [List of Pre Grant Publications for class 359 subclass 438][List of Patents for class 359 subclass 438]438 Subclass 438 indent level is 1 Prism
 [List of Pre Grant Publications for class 359 subclass 439][List of Patents for class 359 subclass 439]439 Subclass 439 indent level is 1 Mirror
[List of Pre Grant Publications for class 359 subclass 440][List of Patents for class 359 subclass 440]440 Subclass 440 indent level is 1 Lens
[List of Pre Grant Publications for class 359 subclass 441][List of Patents for class 359 subclass 441]441 Subclass 441 indent level is 2 Movable or adjustable
[List of Pre Grant Publications for class 359 subclass 443][List of Patents for class 359 subclass 443]443 PROJECTION SCREEN
 [List of Pre Grant Publications for class 359 subclass 444][List of Patents for class 359 subclass 444]444 Subclass 444 indent level is 1 With sound producer
 [List of Pre Grant Publications for class 359 subclass 445][List of Patents for class 359 subclass 445]445 Subclass 445 indent level is 1 Acoustical
 [List of Pre Grant Publications for class 359 subclass 446][List of Patents for class 359 subclass 446]446 Subclass 446 indent level is 1 Moving during projection
 [List of Pre Grant Publications for class 359 subclass 447][List of Patents for class 359 subclass 447]447 Subclass 447 indent level is 1 Tracing (e.g., camera lucida, etc.)
 [List of Pre Grant Publications for class 359 subclass 448][List of Patents for class 359 subclass 448]448 Subclass 448 indent level is 1 With lens (e.g., camera obscura, etc.)
 [List of Pre Grant Publications for class 359 subclass 449][List of Patents for class 359 subclass 449]449 Subclass 449 indent level is 1 With reflector or additional screen
 [List of Pre Grant Publications for class 359 subclass 450][List of Patents for class 359 subclass 450]450 Subclass 450 indent level is 1 Border, mask, shade, or curtain
 [List of Pre Grant Publications for class 359 subclass 451][List of Patents for class 359 subclass 451]451 Subclass 451 indent level is 1 Curved
[List of Pre Grant Publications for class 359 subclass 452][List of Patents for class 359 subclass 452]452 Subclass 452 indent level is 1 Embedded particles
 [List of Pre Grant Publications for class 359 subclass 453][List of Patents for class 359 subclass 453]453 Subclass 453 indent level is 2 Rear projection screen
[List of Pre Grant Publications for class 359 subclass 454][List of Patents for class 359 subclass 454]454 Subclass 454 indent level is 1 Unitary sheet comprising plural refracting areas
[List of Pre Grant Publications for class 359 subclass 455][List of Patents for class 359 subclass 455]455 Subclass 455 indent level is 2 Lenticular
 [List of Pre Grant Publications for class 359 subclass 459][List of Patents for class 359 subclass 459]459 Subclass 459 indent level is 1 Unitary sheet comprising plural reflecting areas
 [List of Pre Grant Publications for class 359 subclass 460][List of Patents for class 359 subclass 460]460 Subclass 460 indent level is 1 Rear projection screen
 [List of Pre Grant Publications for class 359 subclass 461][List of Patents for class 359 subclass 461]461 Subclass 461 indent level is 1 Roll up screen
[List of Pre Grant Publications for class 359 subclass 462][List of Patents for class 359 subclass 462]462 STEREOSCOPIC
 [List of Pre Grant Publications for class 359 subclass 463][List of Patents for class 359 subclass 463]463 Subclass 463 indent level is 1 Having record with lenticular surface
[List of Pre Grant Publications for class 359 subclass 464][List of Patents for class 359 subclass 464]464 Subclass 464 indent level is 1 With right and left channel discriminator (e.g., polarized or colored light)
 [List of Pre Grant Publications for class 359 subclass 465][List of Patents for class 359 subclass 465]465 Subclass 465 indent level is 2 Using polarized light
[List of Pre Grant Publications for class 359 subclass 466][List of Patents for class 359 subclass 466]466 Subclass 466 indent level is 1 Stereo-viewers
[List of Pre Grant Publications for class 359 subclass 467][List of Patents for class 359 subclass 467]467 Subclass 467 indent level is 2 View changers
 [List of Pre Grant Publications for class 359 subclass 470][List of Patents for class 359 subclass 470]470 Subclass 470 indent level is 2 Compensates for camera position (e.g., plotting or mapping type)
[List of Pre Grant Publications for class 359 subclass 471][List of Patents for class 359 subclass 471]471 Subclass 471 indent level is 2 Reflected line of sight
 [List of Pre Grant Publications for class 359 subclass 473][List of Patents for class 359 subclass 473]473 Subclass 473 indent level is 2 Ocular spacing or angle between ocular axes adjustable
 [List of Pre Grant Publications for class 359 subclass 474][List of Patents for class 359 subclass 474]474 Subclass 474 indent level is 2 Collapsible
 [List of Pre Grant Publications for class 359 subclass 475][List of Patents for class 359 subclass 475]475 Subclass 475 indent level is 2 Having illumination
 [List of Pre Grant Publications for class 359 subclass 476][List of Patents for class 359 subclass 476]476 Subclass 476 indent level is 2 Ocular to picture distance adjustable
 [List of Pre Grant Publications for class 359 subclass 477][List of Patents for class 359 subclass 477]477 Subclass 477 indent level is 2 Supporting, mounting, enclosing or light shielding structure
[List of Pre Grant Publications for class 359 subclass 478][List of Patents for class 359 subclass 478]478 RELIEF ILLUSION
 [List of Pre Grant Publications for class 359 subclass 479][List of Patents for class 359 subclass 479]479 Subclass 479 indent level is 1 Reflected line of sight
[List of Pre Grant Publications for class 359 subclass 480][List of Patents for class 359 subclass 480]480 BINOCULAR DEVICES
 [List of Pre Grant Publications for class 359 subclass 481][List of Patents for class 359 subclass 481]481 Subclass 481 indent level is 1 Binocular loupe type
 [List of Pre Grant Publications for class 359 subclass 482][List of Patents for class 359 subclass 482]482 Subclass 482 indent level is 1 Reflected line of sight
[List of Pre Grant Publications for class 359 subclass 483][List of Patents for class 359 subclass 483]483 POLARIZATION WITHOUT MODULATION
 [List of Pre Grant Publications for class 359 subclass 484][List of Patents for class 359 subclass 484]484 Subclass 484 indent level is 1 Time invariant electric, magnetic, or electromagnetic field responsive (e.g., electro-optical, magneto-optical)
[List of Pre Grant Publications for class 359 subclass 485][List of Patents for class 359 subclass 485]485 Subclass 485 indent level is 1 Light polarization without any external input
 [List of Pre Grant Publications for class 359 subclass 486][List of Patents for class 359 subclass 486]486 Subclass 486 indent level is 2 By grid or dipoles
[List of Pre Grant Publications for class 359 subclass 487][List of Patents for class 359 subclass 487]487 Subclass 487 indent level is 2 By reflection or refraction (e.g., Brewster angle)
 [List of Pre Grant Publications for class 359 subclass 489][List of Patents for class 359 subclass 489]489 Subclass 489 indent level is 2 Polarization (direction or magnitude) varies over surface of the medium (e.g., vectograph)
[List of Pre Grant Publications for class 359 subclass 490][List of Patents for class 359 subclass 490]490 Subclass 490 indent level is 2 By dichroic medium
 [List of Pre Grant Publications for class 359 subclass 493][List of Patents for class 359 subclass 493]493 Subclass 493 indent level is 2 Glare prevention by discriminating against polarized light
[List of Pre Grant Publications for class 359 subclass 494][List of Patents for class 359 subclass 494]494 Subclass 494 indent level is 2 By birefringent element
 [List of Pre Grant Publications for class 359 subclass 501][List of Patents for class 359 subclass 501]501 Subclass 501 indent level is 2 By relatively adjustable superimposed or in series polarizers
 [List of Pre Grant Publications for class 359 subclass 502][List of Patents for class 359 subclass 502]502 Subclass 502 indent level is 2 With color filter
[List of Pre Grant Publications for class 359 subclass 503][List of Patents for class 359 subclass 503]503 EXTENDED SPACING STRUCTURE FOR OPTICAL ELEMENTS
 [List of Pre Grant Publications for class 359 subclass 504][List of Patents for class 359 subclass 504]504 Subclass 504 indent level is 1 Wide angle (e.g., door peep)
 [List of Pre Grant Publications for class 359 subclass 505][List of Patents for class 359 subclass 505]505 Subclass 505 indent level is 1 With screen or reticle in real image plane
 [List of Pre Grant Publications for class 359 subclass 506][List of Patents for class 359 subclass 506]506 Subclass 506 indent level is 1 Extension of tubular element adjustable
[List of Pre Grant Publications for class 359 subclass 507][List of Patents for class 359 subclass 507]507 PROTECTION FROM MOISTURE OR FOREIGN PARTICLE
 [List of Pre Grant Publications for class 359 subclass 508][List of Patents for class 359 subclass 508]508 Subclass 508 indent level is 1 Optical element rotates
 [List of Pre Grant Publications for class 359 subclass 509][List of Patents for class 359 subclass 509]509 Subclass 509 indent level is 1 Fluid directed across optical element
 [List of Pre Grant Publications for class 359 subclass 510][List of Patents for class 359 subclass 510]510 Subclass 510 indent level is 1 Microscope drape
 [List of Pre Grant Publications for class 359 subclass 511][List of Patents for class 359 subclass 511]511 Subclass 511 indent level is 1 Cap or cover
 [List of Pre Grant Publications for class 359 subclass 512][List of Patents for class 359 subclass 512]512 Subclass 512 indent level is 1 Humidity or temperature control
[List of Pre Grant Publications for class 359 subclass 513][List of Patents for class 359 subclass 513]513 Subclass 513 indent level is 1 Sealing
 [List of Pre Grant Publications for class 359 subclass 514][List of Patents for class 359 subclass 514]514 Subclass 514 indent level is 2 Mirror, prism or signal reflector
[List of Pre Grant Publications for class 359 subclass 515][List of Patents for class 359 subclass 515]515 SIGNAL REFLECTOR
[List of Pre Grant Publications for class 359 subclass 516][List of Patents for class 359 subclass 516]516 Subclass 516 indent level is 1 Body carried
 [List of Pre Grant Publications for class 359 subclass 517][List of Patents for class 359 subclass 517]517 Subclass 517 indent level is 2 Worn by hand or wrist
 [List of Pre Grant Publications for class 359 subclass 518][List of Patents for class 359 subclass 518]518 Subclass 518 indent level is 2 Permanently fixed to clothing
 [List of Pre Grant Publications for class 359 subclass 519][List of Patents for class 359 subclass 519]519 Subclass 519 indent level is 2 Worn over clothing
[List of Pre Grant Publications for class 359 subclass 520][List of Patents for class 359 subclass 520]520 Subclass 520 indent level is 1 Moving
 [List of Pre Grant Publications for class 359 subclass 521][List of Patents for class 359 subclass 521]521 Subclass 521 indent level is 2 Pedal mounted
[List of Pre Grant Publications for class 359 subclass 522][List of Patents for class 359 subclass 522]522 Subclass 522 indent level is 2 Rotating
 [List of Pre Grant Publications for class 359 subclass 526][List of Patents for class 359 subclass 526]526 Subclass 526 indent level is 2 Vibration
 [List of Pre Grant Publications for class 359 subclass 527][List of Patents for class 359 subclass 527]527 Subclass 527 indent level is 1 For a signal source remote from observer
 [List of Pre Grant Publications for class 359 subclass 528][List of Patents for class 359 subclass 528]528 Subclass 528 indent level is 1 Light transmitting from source behind a reflector
[List of Pre Grant Publications for class 359 subclass 529][List of Patents for class 359 subclass 529]529 Subclass 529 indent level is 1 3-Corner retroreflective (i.e., cube corner, trihedral, or triple reflector type)
[List of Pre Grant Publications for class 359 subclass 530][List of Patents for class 359 subclass 530]530 Subclass 530 indent level is 2 Unitary plate or sheet comprising plural reflecting elements
[List of Pre Grant Publications for class 359 subclass 534][List of Patents for class 359 subclass 534]534 Subclass 534 indent level is 1 Including a curved refracting surface
 [List of Pre Grant Publications for class 359 subclass 535][List of Patents for class 359 subclass 535]535 Subclass 535 indent level is 2 Within individual indentations
[List of Pre Grant Publications for class 359 subclass 536][List of Patents for class 359 subclass 536]536 Subclass 536 indent level is 2 Minute transparent spheres
 [List of Pre Grant Publications for class 359 subclass 542][List of Patents for class 359 subclass 542]542 Subclass 542 indent level is 2 Plural refracting elements formed as a unitary mass
[List of Pre Grant Publications for class 359 subclass 543][List of Patents for class 359 subclass 543]543 Subclass 543 indent level is 2 With individual reflector element mount
[List of Pre Grant Publications for class 359 subclass 546][List of Patents for class 359 subclass 546]546 Subclass 546 indent level is 1 Discrete reflecting elements formed as a unitary mass
 [List of Pre Grant Publications for class 359 subclass 547][List of Patents for class 359 subclass 547]547 Subclass 547 indent level is 2 Mounted on or adjacent roadway
 [List of Pre Grant Publications for class 359 subclass 548][List of Patents for class 359 subclass 548]548 Subclass 548 indent level is 2 Mounted on vehicle
[List of Pre Grant Publications for class 359 subclass 549][List of Patents for class 359 subclass 549]549 Subclass 549 indent level is 1 Rigidly mounted on vehicle
 [List of Pre Grant Publications for class 359 subclass 550][List of Patents for class 359 subclass 550]550 Subclass 550 indent level is 2 Bicycle or motorcycle
 [List of Pre Grant Publications for class 359 subclass 551][List of Patents for class 359 subclass 551]551 Subclass 551 indent level is 1 Mounted on roadway
 [List of Pre Grant Publications for class 359 subclass 552][List of Patents for class 359 subclass 552]552 Subclass 552 indent level is 1 Mounted adjacent roadway
 [List of Pre Grant Publications for class 359 subclass 553][List of Patents for class 359 subclass 553]553 Subclass 553 indent level is 1 Emergency or temporary reflectors (i.e., portable self standing)
[List of Pre Grant Publications for class 359 subclass 554][List of Patents for class 359 subclass 554]554 IMAGE STABILIZATION
[List of Pre Grant Publications for class 359 subclass 555][List of Patents for class 359 subclass 555]555 Subclass 555 indent level is 1 By movable reflective structure
 [List of Pre Grant Publications for class 359 subclass 556][List of Patents for class 359 subclass 556]556 Subclass 556 indent level is 2 Having plural reflecting surfaces
 [List of Pre Grant Publications for class 359 subclass 557][List of Patents for class 359 subclass 557]557 Subclass 557 indent level is 1 By movable refractive structure
[List of Pre Grant Publications for class 359 subclass 558][List of Patents for class 359 subclass 558]558 DIFFRACTION
[List of Pre Grant Publications for class 359 subclass 559][List of Patents for class 359 subclass 559]559 Subclass 559 indent level is 1 Using Fourier transform spatial filtering
 [List of Pre Grant Publications for class 359 subclass 560][List of Patents for class 359 subclass 560]560 Subclass 560 indent level is 2 For convolution (cross-correlation)
 [List of Pre Grant Publications for class 359 subclass 561][List of Patents for class 359 subclass 561]561 Subclass 561 indent level is 2 For correlation
 [List of Pre Grant Publications for class 359 subclass 562][List of Patents for class 359 subclass 562]562 Subclass 562 indent level is 2 For changing zeroth order intensity
 [List of Pre Grant Publications for class 359 subclass 563][List of Patents for class 359 subclass 563]563 Subclass 563 indent level is 2 With diffraction grating
 [List of Pre Grant Publications for class 359 subclass 564][List of Patents for class 359 subclass 564]564 Subclass 564 indent level is 2 With photographic media
 [List of Pre Grant Publications for class 359 subclass 565][List of Patents for class 359 subclass 565]565 Subclass 565 indent level is 1 From zone plate
[List of Pre Grant Publications for class 359 subclass 566][List of Patents for class 359 subclass 566]566 Subclass 566 indent level is 1 From grating
 [List of Pre Grant Publications for class 359 subclass 567][List of Patents for class 359 subclass 567]567 Subclass 567 indent level is 2 For ornamental effect or display
 [List of Pre Grant Publications for class 359 subclass 568][List of Patents for class 359 subclass 568]568 Subclass 568 indent level is 2 For diffractive subtractive filtering
[List of Pre Grant Publications for class 359 subclass 569][List of Patents for class 359 subclass 569]569 Subclass 569 indent level is 2 Including particular grating characteristic
[List of Pre Grant Publications for class 359 subclass 577][List of Patents for class 359 subclass 577]577 LIGHT INTERFERENCE
[List of Pre Grant Publications for class 359 subclass 578][List of Patents for class 359 subclass 578]578 Subclass 578 indent level is 1 Electrically or mechanically variable (e.g., tunable, adjustable)
 [List of Pre Grant Publications for class 359 subclass 579][List of Patents for class 359 subclass 579]579 Subclass 579 indent level is 2 By nonmovable driving element (e.g., piezoelectric, magnetostrictive)
[List of Pre Grant Publications for class 359 subclass 580][List of Patents for class 359 subclass 580]580 Subclass 580 indent level is 1 Produced by coating or lamina
 [List of Pre Grant Publications for class 359 subclass 581][List of Patents for class 359 subclass 581]581 Subclass 581 indent level is 2 By transmissive coating on lens
 [List of Pre Grant Publications for class 359 subclass 582][List of Patents for class 359 subclass 582]582 Subclass 582 indent level is 2 Layer having specified nonoptical property
 [List of Pre Grant Publications for class 359 subclass 583][List of Patents for class 359 subclass 583]583 Subclass 583 indent level is 2 Beam splitter or combiner
 [List of Pre Grant Publications for class 359 subclass 584][List of Patents for class 359 subclass 584]584 Subclass 584 indent level is 2 Reflector
 [List of Pre Grant Publications for class 359 subclass 585][List of Patents for class 359 subclass 585]585 Subclass 585 indent level is 2 Including metal or conductive layer
[List of Pre Grant Publications for class 359 subclass 586][List of Patents for class 359 subclass 586]586 Subclass 586 indent level is 2 Layers having specified index of refraction
[List of Pre Grant Publications for class 359 subclass 589][List of Patents for class 359 subclass 589]589 Subclass 589 indent level is 2 Selective wavelength transmission or reflection
[List of Pre Grant Publications for class 359 subclass 591][List of Patents for class 359 subclass 591]591 BUILDING INTERIOR ILLUMINATION WITH REFLECTED, REFRACTED OR PREDETERMINED ANGLE OF ENTRANCE OF OUTSIDE LIGHT
[List of Pre Grant Publications for class 359 subclass 592][List of Patents for class 359 subclass 592]592 Subclass 592 indent level is 1 Unitary light transmitting member comprising plural reflecting or refracting elements
 [List of Pre Grant Publications for class 359 subclass 593][List of Patents for class 359 subclass 593]593 Subclass 593 indent level is 2 Plural members in series
 [List of Pre Grant Publications for class 359 subclass 594][List of Patents for class 359 subclass 594]594 Subclass 594 indent level is 2 Elements on two sides of member
 [List of Pre Grant Publications for class 359 subclass 595][List of Patents for class 359 subclass 595]595 Subclass 595 indent level is 2 With internal reflections
 [List of Pre Grant Publications for class 359 subclass 596][List of Patents for class 359 subclass 596]596 Subclass 596 indent level is 1 Slats or strips
[List of Pre Grant Publications for class 359 subclass 597][List of Patents for class 359 subclass 597]597 Subclass 597 indent level is 1 With reflection
 [List of Pre Grant Publications for class 359 subclass 598][List of Patents for class 359 subclass 598]598 Subclass 598 indent level is 2 Internal reflection in single optical element
 [List of Pre Grant Publications for class 359 subclass 599][List of Patents for class 359 subclass 599]599 DIFFUSING OF INCIDENT LIGHT
 [List of Pre Grant Publications for class 359 subclass 600][List of Patents for class 359 subclass 600]600 BARREL END EYE GUARD (E.G., SHIELD OR CUSHION, ETC.)
[List of Pre Grant Publications for class 359 subclass 601][List of Patents for class 359 subclass 601]601 GLARE OR UNWANTED LIGHT REDUCTION
[List of Pre Grant Publications for class 359 subclass 602][List of Patents for class 359 subclass 602]602 Subclass 602 indent level is 1 With mirror (e.g., mirror with glare screen, etc.)
[List of Pre Grant Publications for class 359 subclass 603][List of Patents for class 359 subclass 603]603 Subclass 603 indent level is 2 Anti-glare mirror
 [List of Pre Grant Publications for class 359 subclass 609][List of Patents for class 359 subclass 609]609 Subclass 609 indent level is 1 Display window
 [List of Pre Grant Publications for class 359 subclass 610][List of Patents for class 359 subclass 610]610 Subclass 610 indent level is 1 With blind for nonviewing eye
[List of Pre Grant Publications for class 359 subclass 611][List of Patents for class 359 subclass 611]611 Subclass 611 indent level is 1 Barrel end or lens mount shade
 [List of Pre Grant Publications for class 359 subclass 612][List of Patents for class 359 subclass 612]612 Subclass 612 indent level is 2 Collapsible or foldable
 [List of Pre Grant Publications for class 359 subclass 613][List of Patents for class 359 subclass 613]613 Subclass 613 indent level is 1 Directional or angular discrimination
 [List of Pre Grant Publications for class 359 subclass 614][List of Patents for class 359 subclass 614]614 Subclass 614 indent level is 1 With absorption means
 [List of Pre Grant Publications for class 359 subclass 615][List of Patents for class 359 subclass 615]615 LIGHT DISPERSION
[List of Pre Grant Publications for class 359 subclass 616][List of Patents for class 359 subclass 616]616 KALEIDOSCOPE
 [List of Pre Grant Publications for class 359 subclass 617][List of Patents for class 359 subclass 617]617 Subclass 617 indent level is 1 Including particles loosely housed for agitation
[List of Pre Grant Publications for class 359 subclass 618][List of Patents for class 359 subclass 618]618 SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.)
[List of Pre Grant Publications for class 359 subclass 619][List of Patents for class 359 subclass 619]619 Subclass 619 indent level is 1 By surface composed of lenticular elements
 [List of Pre Grant Publications for class 359 subclass 620][List of Patents for class 359 subclass 620]620 Subclass 620 indent level is 2 Having particular composition
[List of Pre Grant Publications for class 359 subclass 621][List of Patents for class 359 subclass 621]621 Subclass 621 indent level is 2 Plural lenticular plates
 [List of Pre Grant Publications for class 359 subclass 625][List of Patents for class 359 subclass 625]625 Subclass 625 indent level is 2 Focusing or defocusing by noncurved surfaces (e.g., prismatic, etc.)
 [List of Pre Grant Publications for class 359 subclass 626][List of Patents for class 359 subclass 626]626 Subclass 626 indent level is 2 Particular focusing or defocusing characteristic
 [List of Pre Grant Publications for class 359 subclass 627][List of Patents for class 359 subclass 627]627 Subclass 627 indent level is 2 Reflective
 [List of Pre Grant Publications for class 359 subclass 628][List of Patents for class 359 subclass 628]628 Subclass 628 indent level is 2 Noncircular cross section
[List of Pre Grant Publications for class 359 subclass 629][List of Patents for class 359 subclass 629]629 Subclass 629 indent level is 1 By partial reflection at beam splitting or combining surface
[List of Pre Grant Publications for class 359 subclass 630][List of Patents for class 359 subclass 630]630 Subclass 630 indent level is 2 Superimposing visual information on observer`s field of view (e.g., head-up arrangement, etc.)