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Classification Resources
 
Class   313ELECTRIC LAMP AND DISCHARGE DEVICES
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[List of Pre Grant Publications for class 313 subclass 1][List of Patents for class 313 subclass 1]1 PLURAL UNIT
 [List of Pre Grant Publications for class 313 subclass 7][List of Patents for class 313 subclass 7]7 WITH EVACUATING PUMP
 [List of Pre Grant Publications for class 313 subclass 8][List of Patents for class 313 subclass 8]8 ARC AND SEPARATE INCANDESCENT BODY
 [List of Pre Grant Publications for class 313 subclass 9][List of Patents for class 313 subclass 9]9 FILAMENT AND SEPARATE INCANDESCENT BODY
 [List of Pre Grant Publications for class 313 subclass 10][List of Patents for class 313 subclass 10]10 WITH TEMPERATURE INDICATOR
[List of Pre Grant Publications for class 313 subclass 11][List of Patents for class 313 subclass 11]11 WITH TEMPERATURE MODIFIER
 [List of Pre Grant Publications for class 313 subclass 48][List of Patents for class 313 subclass 48]48 WITH HANDLE
[List of Pre Grant Publications for class 313 subclass 49][List of Patents for class 313 subclass 49]49 WITH DETACHABLE ELECTRICAL CONNECTOR OR SUPPORT
 [List of Pre Grant Publications for class 313 subclass 52][List of Patents for class 313 subclass 52]52 CONVERTIBLE
 [List of Pre Grant Publications for class 313 subclass 53][List of Patents for class 313 subclass 53]53 FLAME OR EXPLOSION TYPE
 [List of Pre Grant Publications for class 313 subclass 54][List of Patents for class 313 subclass 54]54 WITH RADIOACTIVE MATERIAL
 [List of Pre Grant Publications for class 313 subclass 62][List of Patents for class 313 subclass 62]62 CYCLOTRONS
[List of Pre Grant Publications for class 313 subclass 359.1][List of Patents for class 313 subclass 359.1]359.1 WITH POSITIVE OR NEGATIVE ION ACCELERATION
[List of Pre Grant Publications for class 313 subclass 364][List of Patents for class 313 subclass 364]364 CATHODE RAY TUBE
[List of Pre Grant Publications for class 313 subclass 365][List of Patents for class 313 subclass 365]365 Subclass 365 indent level is 1 Image pickup tube
[List of Pre Grant Publications for class 313 subclass 391][List of Patents for class 313 subclass 391]391 Subclass 391 indent level is 1 Storage
[List of Pre Grant Publications for class 313 subclass 399][List of Patents for class 313 subclass 399]399 Subclass 399 indent level is 1 Secondary emissive electrode
[List of Pre Grant Publications for class 313 subclass 402][List of Patents for class 313 subclass 402]402 Subclass 402 indent level is 1 Shadow mask, support or shield
[List of Pre Grant Publications for class 313 subclass 409][List of Patents for class 313 subclass 409]409 Subclass 409 indent level is 1 Plural beam generating or control
[List of Pre Grant Publications for class 313 subclass 418][List of Patents for class 313 subclass 418]418 Subclass 418 indent level is 1 Signal translating output electrode
 [List of Pre Grant Publications for class 313 subclass 420][List of Patents for class 313 subclass 420]420 Subclass 420 indent level is 1 Electron permeable window
[List of Pre Grant Publications for class 313 subclass 421][List of Patents for class 313 subclass 421]421 Subclass 421 indent level is 1 Beam deflecting means
[List of Pre Grant Publications for class 313 subclass 441][List of Patents for class 313 subclass 441]441 Subclass 441 indent level is 1 Ray generating or control
[List of Pre Grant Publications for class 313 subclass 461][List of Patents for class 313 subclass 461]461 Subclass 461 indent level is 1 Screen
[List of Pre Grant Publications for class 313 subclass 477R][List of Patents for class 313 subclass 477R]  477R Subclass 477R indent level is 1 Envelope
 [List of Pre Grant Publications for class 313 subclass 93][List of Patents for class 313 subclass 93]93 GEIGER-MUELLER TYPE
[List of Pre Grant Publications for class 313 subclass 523][List of Patents for class 313 subclass 523]523 PHOTOSENSITIVE
[List of Pre Grant Publications for class 313 subclass 106][List of Patents for class 313 subclass 106]106 SECONDARY EMISSION PREVENTION
 [List of Pre Grant Publications for class 313 subclass 107.5][List of Patents for class 313 subclass 107.5]107.5 VARIABLE WIDTH ELECTRON STREAM (E.G., MAGIC EYE)
[List of Pre Grant Publications for class 313 subclass 483][List of Patents for class 313 subclass 483]483 WITH LUMINESCENT SOLID OR LIQUID MATERIAL
[List of Pre Grant Publications for class 313 subclass 513][List of Patents for class 313 subclass 513]513 WITH CHARACTER DISPLAY (E.G., DIGITS OR LETTERS)
[List of Pre Grant Publications for class 313 subclass 110][List of Patents for class 313 subclass 110]110 WITH OPTICAL DEVICE OR SPECIAL RAY TRANSMISSIVE ENVELOPE
[List of Pre Grant Publications for class 313 subclass 118][List of Patents for class 313 subclass 118]118 SPARK PLUGS
[List of Pre Grant Publications for class 313 subclass 146][List of Patents for class 313 subclass 146]146 WITH MOVABLE ELECTRODE OR SHIELD
[List of Pre Grant Publications for class 313 subclass 153][List of Patents for class 313 subclass 153]153 WITH MAGNETIC DEVICE
[List of Pre Grant Publications for class 313 subclass 163][List of Patents for class 313 subclass 163]163 LIQUID ELECTRODE DISCHARGE DEVICES
 [List of Pre Grant Publications for class 313 subclass 545][List of Patents for class 313 subclass 545]545 HAVING VALVE WITH GETTER, GAS/VAPOR GENERATING MATERIAL OR PRESSURE CONTROL MEANS
 [List of Pre Grant Publications for class 313 subclass 546][List of Patents for class 313 subclass 546]546 WITH FRANGIBLE CAPSULE CONTAINING GETTER, GAS OR VAPOR GENERATING MATERIAL
[List of Pre Grant Publications for class 313 subclass 547][List of Patents for class 313 subclass 547]547 HAVING HEATING MEANS TO CONTROL GAS/VAPOR, GAS OR VAPOR GENERATING MEANS, OR GETTER MEANS
 [List of Pre Grant Publications for class 313 subclass 552][List of Patents for class 313 subclass 552]552 HAVING PRESSURE CONTROL OF GAS OR VAPOR
[List of Pre Grant Publications for class 313 subclass 553][List of Patents for class 313 subclass 553]553 WITH GETTER
 [List of Pre Grant Publications for class 313 subclass 563][List of Patents for class 313 subclass 563]563 HAVING GAS GENERATING MATERIAL
[List of Pre Grant Publications for class 313 subclass 564][List of Patents for class 313 subclass 564]564 HAVING VAPOR GENERATING MATERIAL
[List of Pre Grant Publications for class 313 subclass 567][List of Patents for class 313 subclass 567]567 WITH GAS OR VAPOR
[List of Pre Grant Publications for class 313 subclass 568][List of Patents for class 313 subclass 568]568 Subclass 568 indent level is 1 Having a particular total or partial pressure
[List of Pre Grant Publications for class 313 subclass 578][List of Patents for class 313 subclass 578]578 Subclass 578 indent level is 1 Incandescent filament lamp
[List of Pre Grant Publications for class 313 subclass 581][List of Patents for class 313 subclass 581]581 Subclass 581 indent level is 1 Three or more electrode discharge device
[List of Pre Grant Publications for class 313 subclass 605][List of Patents for class 313 subclass 605]605 Subclass 605 indent level is 1 Mean free-path spacing of envelope portions or content parts
 [List of Pre Grant Publications for class 313 subclass 607][List of Patents for class 313 subclass 607]607 Subclass 607 indent level is 1 Having electrode exterior to envelope
 [List of Pre Grant Publications for class 313 subclass 608][List of Patents for class 313 subclass 608]608 Subclass 608 indent level is 1 Single electrode type discharge device, or including particulate material
[List of Pre Grant Publications for class 313 subclass 609][List of Patents for class 313 subclass 609]609 Subclass 609 indent level is 1 Having baffle, partition, or constricting means affecting discharge
[List of Pre Grant Publications for class 313 subclass 613][List of Patents for class 313 subclass 613]613 Subclass 613 indent level is 1 Having electrode shield
 [List of Pre Grant Publications for class 313 subclass 617][List of Patents for class 313 subclass 617]617 Subclass 617 indent level is 1 Having spur electrode
 [List of Pre Grant Publications for class 313 subclass 618][List of Patents for class 313 subclass 618]618 Subclass 618 indent level is 1 Having hollow cathode
 [List of Pre Grant Publications for class 313 subclass 619][List of Patents for class 313 subclass 619]619 Subclass 619 indent level is 1 Negative or cathode glow device
 [List of Pre Grant Publications for class 313 subclass 620][List of Patents for class 313 subclass 620]620 Subclass 620 indent level is 1 Having specified electrode spacing
 [List of Pre Grant Publications for class 313 subclass 621][List of Patents for class 313 subclass 621]621 Subclass 621 indent level is 1 Having electrodes with geometrical relationship
 [List of Pre Grant Publications for class 313 subclass 622][List of Patents for class 313 subclass 622]622 Subclass 622 indent level is 1 Discharge device with diverse electrodes
[List of Pre Grant Publications for class 313 subclass 623][List of Patents for class 313 subclass 623]623 Subclass 623 indent level is 1 Having electrode lead-in or electrode support sealed to envelope
 [List of Pre Grant Publications for class 313 subclass 626][List of Patents for class 313 subclass 626]626 Subclass 626 indent level is 1 Having lead-in shield
[List of Pre Grant Publications for class 313 subclass 627][List of Patents for class 313 subclass 627]627 Subclass 627 indent level is 1 Having electrode heated by space discharge current
 [List of Pre Grant Publications for class 313 subclass 629][List of Patents for class 313 subclass 629]629 Subclass 629 indent level is 1 Having resistance heated cathode
 [List of Pre Grant Publications for class 313 subclass 630][List of Patents for class 313 subclass 630]630 Subclass 630 indent level is 1 Having electrode of alkali, alkaline or rare earth material
[List of Pre Grant Publications for class 313 subclass 631][List of Patents for class 313 subclass 631]631 Subclass 631 indent level is 1 Having particular electrode structure
 [List of Pre Grant Publications for class 313 subclass 633][List of Patents for class 313 subclass 633]633 Subclass 633 indent level is 1 Electrode composition
[List of Pre Grant Publications for class 313 subclass 634][List of Patents for class 313 subclass 634]634 Subclass 634 indent level is 1 Envelope with particular structure
 [List of Pre Grant Publications for class 313 subclass 636][List of Patents for class 313 subclass 636]636 Subclass 636 indent level is 1 Envelope composition
[List of Pre Grant Publications for class 313 subclass 637][List of Patents for class 313 subclass 637]637 Subclass 637 indent level is 1 With particular gas or vapor
 [List of Pre Grant Publications for class 313 subclass 230][List of Patents for class 313 subclass 230]230 DISCHARGE DEVICE WITH POSITIVE ION EMITTER
[List of Pre Grant Publications for class 313 subclass 231.01][List of Patents for class 313 subclass 231.01]231.01 FLUENT MATERIAL SUPPLY OR FLOW DIRECTING MEANS
 [List of Pre Grant Publications for class 313 subclass 232][List of Patents for class 313 subclass 232]232 ELECTRODES IMMERSED IN LIQUID
 [List of Pre Grant Publications for class 313 subclass 233][List of Patents for class 313 subclass 233]233 INVOLVING PARTICULAR DEGREE OF VACUUM
 [List of Pre Grant Publications for class 313 subclass 234][List of Patents for class 313 subclass 234]234 ELECTRODE EXTERIOR TO ENVELOPE
 [List of Pre Grant Publications for class 313 subclass 235][List of Patents for class 313 subclass 235]235 IMPERFECT ELECTRICAL CONTACT BETWEEN ELECTRODES
 [List of Pre Grant Publications for class 313 subclass 236][List of Patents for class 313 subclass 236]236 STAND-BY ELECTRODE TYPE (WITH SPARE ELECTRODE)
 [List of Pre Grant Publications for class 313 subclass 237][List of Patents for class 313 subclass 237]237 WITH ELECTRODE REPLACEMENT MEANS OR DEMOUNTABLE
[List of Pre Grant Publications for class 313 subclass 238][List of Patents for class 313 subclass 238]238 WITH SUPPORT AND/OR SPACING STRUCTURE FOR ELECTRODE AND/OR SHIELD
[List of Pre Grant Publications for class 313 subclass 239][List of Patents for class 313 subclass 239]239 Subclass 239 indent level is 1 For shield
[List of Pre Grant Publications for class 313 subclass 243][List of Patents for class 313 subclass 243]243 Subclass 243 indent level is 1 For plural electrodes of discharge device
 [List of Pre Grant Publications for class 313 subclass 269][List of Patents for class 313 subclass 269]269 Subclass 269 indent level is 1 With vibration damping device
 [List of Pre Grant Publications for class 313 subclass 270][List of Patents for class 313 subclass 270]270 Subclass 270 indent level is 1 For indirectly heated cathode
[List of Pre Grant Publications for class 313 subclass 271][List of Patents for class 313 subclass 271]271 Subclass 271 indent level is 1 For filament
 [List of Pre Grant Publications for class 313 subclass 281][List of Patents for class 313 subclass 281]281 Subclass 281 indent level is 1 Support mounted in or around aperture in conductive wall or plate
 [List of Pre Grant Publications for class 313 subclass 282][List of Patents for class 313 subclass 282]282 Subclass 282 indent level is 1 Conductive envelope supports electrode
[List of Pre Grant Publications for class 313 subclass 283][List of Patents for class 313 subclass 283]283 Subclass 283 indent level is 1 Electrode supported by envelope
 [List of Pre Grant Publications for class 313 subclass 292][List of Patents for class 313 subclass 292]292 Subclass 292 indent level is 1 Supporting and/or spacing elements
[List of Pre Grant Publications for class 313 subclass 293][List of Patents for class 313 subclass 293]293 DISCHARGING DEVICES WITH APERTURED ELECTRODE (E.G., GRID) INTERPOSED BETWEEN TWO ELECTRODES
 [List of Pre Grant Publications for class 313 subclass 305][List of Patents for class 313 subclass 305]305 DISCHARGE HEATED ANODE TYPE (E.G., CATHANODE)
[List of Pre Grant Publications for class 313 subclass 306][List of Patents for class 313 subclass 306]306 DISCHARGE DEVICES HAVING THREE OR MORE ELECTRODES
 [List of Pre Grant Publications for class 313 subclass 309][List of Patents for class 313 subclass 309]309 DISCHARGE DEVICES HAVING A MULTIPOINTED OR SERRATED EDGE ELECTRODE
 [List of Pre Grant Publications for class 313 subclass 310][List of Patents for class 313 subclass 310]310 DISCHARGE DEVICES HAVING A THERMIONIC OR EMISSIVE CATHODE
 [List of Pre Grant Publications for class 313 subclass 311][List of Patents for class 313 subclass 311]311 DISCHARGE DEVICES HAVING AN ELECTRODE OF PARTICULAR MATERIAL
 [List of Pre Grant Publications for class 313 subclass 312][List of Patents for class 313 subclass 312]312 WITH CASING OF JACKET FOR ENVELOPE
 [List of Pre Grant Publications for class 313 subclass 313][List of Patents for class 313 subclass 313]313 WITH ELECTRICAL SHIELD OR STATIC CHARGE DISTRIBUTION MEANS
 [List of Pre Grant Publications for class 313 subclass 314][List of Patents for class 313 subclass 314]314 NONREPAIRABLE
[List of Pre Grant Publications for class 313 subclass 315][List of Patents for class 313 subclass 315]315 INCANDESCENT LAMPS
[List of Pre Grant Publications for class 313 subclass 317][List of Patents for class 313 subclass 317]317 WITH ENVELOPE
[List of Pre Grant Publications for class 313 subclass 323][List of Patents for class 313 subclass 323]323 COMBINED
 [List of Pre Grant Publications for class 313 subclass 325][List of Patents for class 313 subclass 325]325 MISCELLANEOUS DISCHARGE DEVICES
[List of Pre Grant Publications for class 313 subclass 326][List of Patents for class 313 subclass 326]326 ELECTRODE AND SHIELD STRUCTURES
 [List of Pre Grant Publications for class 313 subclass 358][List of Patents for class 313 subclass 358]358 MISCELLANEOUS (E.G., ELECTROLYTIC LIGHT SOURCE)
 
FOREIGN ART COLLECTIONS
 
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DIGESTS
 
 [List of Pre Grant Publications for class 313 subclass DIG7][List of Patents for class 313 subclass DIG7] DIG7 BOMBARDMENT INDUCED CONDUCTIVITY