| Patents > Guidance, Tools, and Manuals > Classification > Class Schedule |
|
|
|
| Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
|
| You are viewing a USPC Schedule. |
|
| Class 313 | ELECTRIC LAMP AND DISCHARGE DEVICES |
| Click here for a printable version of this file | |
![[List of Pre Grant Publications for class 313 subclass 1]](../as.gif) | ![[List of Patents for class 313 subclass 1]](../ps.gif) | 1 | PLURAL UNIT |
| | 7 | WITH EVACUATING PUMP |
| | 8 | ARC AND SEPARATE INCANDESCENT BODY |
| | 9 | FILAMENT AND SEPARATE INCANDESCENT BODY |
| | 10 | WITH TEMPERATURE INDICATOR |
| | 11 | WITH TEMPERATURE MODIFIER |
| | 11.5 |  Spark plug type |
| | 12 | Recirculating systems |
| | 13 | Having control means for the temperature modifier |
| | 14 | Pyroelectric type device |
| | 15 | Electric heater |
| | 17 | Double wall, jacket or casing for envelope |
| | 18 |  For conductive envelope devices |
| | 19 |  With plural electrode temperature modifying |
| | 20 | With internal temperature modifying baffle |
| | 21 | Cylindrical electrode type envelope |
| | 22 | Fluid circulation type |
| | 25 | Sealed casing for envelope |
| | 27 | Heat conserving or insulating type |
| | 28 | Plural electrode temperature modifying |
| | 29 | For liquid electrode |
| | 30 | Hollow electrode or lead |
| | 33 | Envelope with internal temperature modifying baffle |
| | 34 | Envelope with condensing chamber or surface |
| | 35 | Using liquids or fluid flow directing means |
| | 37 | For filament or heated cathode |
| | 39 | For electrode within an envelope |
| | 42 | Mounted on lead-in or electrode support |
| | 43 | For lead-in-seal or stem protection |
| | 44 | For envelope wall |
| | 45 | Radiating type surface |
| | 46 | Having heat conducting path |
| | 47 | Heat conserving or insulating type |
| | 48 | WITH HANDLE |
| | 49 | WITH DETACHABLE ELECTRICAL CONNECTOR OR SUPPORT |
| | 52 | CONVERTIBLE |
| | 53 | FLAME OR EXPLOSION TYPE |
| | 54 | WITH RADIOACTIVE MATERIAL |
| | 62 | CYCLOTRONS |
| | 359.1 | WITH POSITIVE OR NEGATIVE ION ACCELERATION |
| | 360.1 | Plural apertured electrodes |
| | 361.1 | Means for deflecting or focusing |
| | 362.1 | Supplying ionizable material (e.g., gas or vapor) |
| | 363.1 | Extraction or target electrode |
| | 364 | CATHODE RAY TUBE |
| | 365 | Image pickup tube |
| | 366 | Semiconductor depletion layer type |
| | 369 | Mechanically responsive (e.g., sound) |
| | 370 | Particular transparent conductor |
| | 371 | With optical element |
| | 373 | With photoemissive cathode |
| | 374 | Mosaic |
| | 375 | Plural photoemissive layers |
| | 376 | With target |
| | 379 | Secondary electron emissive |
| | 380 | Special ray sensitive |
| | 381 | Image dissector |
| | 382 | Focusing |
| | 383 | Electrode or electrode support |
| | 384 | Photoconductive |
| | 391 | Storage |
| | 392 | Depletion layer type storage element |
| | 393 | Double ended |
| | 394 | Continuous storage element |
| | 395 | Foraminous storage element |
| | 396 | With non-beaming gun |
| | 397 | With display |
| | 399 | Secondary emissive electrode |
| | 402 | Shadow mask, support or shield |
| | 409 | Plural beam generating or control |
| | 410 | With character forming electrode |
| | 411 | One cathode source of plural beams |
| | 412 | Convergence |
| | 413 | With deflection |
| | 414 | With focusing and accelerating electrodes |
| | 415 | With screen |
| | 417 | With electrode support |
| | 418 | Signal translating output electrode |
| | 420 | Electron permeable window |
| | 421 | Beam deflecting means |
| | 422 | Flat tube type |
| | 423 | Electron reflecting mirror |
| | 424 | Ion trap |
| | 425 | Centering |
| | 426 | Plural |
| | 427 | Three or more |
| | 432 | Electrostatic |
| | 439 | Electrostatic |
| | 440 | With yoke |
| | 441 | Ray generating or control |
| | 442 | With magnetic focus |
| | 444 | Sandwiched electrodes |
| | 445 | Canted electrode (i.e., ion trap) |
| | 446 | Including cathode assembly |
| | 456 | With support for electrode |
| | 458 | Electrode |
| | 461 | Screen |
| | 462 | Scale or graticule |
| | 463 | Electroluminescent |
| | 464 | Incandescent type |
| | 465 | Light valve type |
| | 466 | Nonluminescent layer |
| | 467 | Phosphor composition |
| | 470 | Mosaic |
| | 473 | Plural layer type |
| | 474 | With optics |
| | 476 | Support |
| | 477R | Envelope |
| | 93 | GEIGER-MUELLER TYPE |
| | 523 | PHOTOSENSITIVE |
| | 524 | With optical device |
| | 525 | Having phosphor screen |
| | 526 | Proximity focus type |
| | 527 | Photocathode responsive to phosphor |
| | 528 | With electron multiplier |
| | 529 | With control electrode |
| | 530 | With photocathode on envelope |
| | 531 | Having plural photosensitive electrodes |
| | 532 | Photomultiplier |
| | 537 | Having a control electrode |
| | 538 | Gas phototube |
| | 539 | Responsive to ultraviolet radiation |
| | 540 | Having plural anodes or cathodes |
| | 541 | Having photocathode on tube wall |
| | 542 | Photocathode |
| | 103R | Secondary emitter type (e.g., electron multiplier) |
| | 104 | Plural secondary emissive electrodes |
| | 106 | SECONDARY EMISSION PREVENTION |
| | 107.5 | VARIABLE WIDTH ELECTRON STREAM (E.G., MAGIC EYE) |
| | 483 | WITH LUMINESCENT SOLID OR LIQUID MATERIAL |
| | 484 | With gaseous discharge medium |
| | 494 | Coplanar electrodes |
| | 495 | Vacuum-type tube |
| | 498 | Solid-state type |
| | 513 | WITH CHARACTER DISPLAY (E.G., DIGITS OR LETTERS) |
| | 514 | Gaseous discharge medium |
| | 515 | With character-shaped envelope |
| | 516 | Electrode with character-shaped aperture |
| | 517 | With electrode display segments |
| | 520 | With integrant display electrode |
| | 522 | Incandescent filament display |
| | 110 | WITH OPTICAL DEVICE OR SPECIAL RAY TRANSMISSIVE ENVELOPE |
| | 111 | Plural diverse optical devices |
| | 112 | Polarizer or special ray transmission (e.g., filter) |
| | 113 | Reflector |
| | 116 | Light diffusing |
| | 117 | Light valve or obscuring means |
| | 118 | SPARK PLUGS |
| | 119 | Sealing-off valve for electrode chamber |
| | 120 | With fluid feed or air vent |
| | 121 | Reversible (e.g., part) |
| | 122 | Removable electrode on shell |
| | 123 | Plural series gaps |
| | 125 | Movable electrode (e.g., for cleaning, adjustable) |
| | 127 | Cleaner (e.g., movable scraper) |
| | 128 | Plural insulated electrodes with individual lead-in |
| | 129 | With transparent part |
| | 130 | Non-conducting material in or adjacent gap (e.g., restricts spark) |
| | 132 | Capillary groove or space |
| | 133 | Ball electrode |
| | 134 | With radio shielding |
| | 135 | With particular connector structure |
| | 136 | Plural part center electrode lead-in |
| | 137 | Plural part insulating means |
| | 138 | Electrodes are pure figures of revolution about plug axis |
| | 139 | Ring or disk electrode (e.g., sector) |
| | 140 | Plural parallel gaps (e.g., main and standby, serrated electrode) |
| | 141 | Particular electrode structure or spacing |
| | 143 | Shaped electrode chamber, insulator end, shell skirt, baffle or gas directing means |
| | 144 | With specific joint structure |
| | 146 | WITH MOVABLE ELECTRODE OR SHIELD |
| | 147 | Plural |
| | 148 | Movable envelope wall |
| | 149 | Rotary |
| | 150 | Movable liquid electrode |
| | 151 | Thermal actuator |
| | 152 | Magnetic actuator |
| | 153 | WITH MAGNETIC DEVICE |
| | 154 | For generating plural fields |
| | 155 | Electrode generates field |
| | 156 | Field transverse to discharge |
| | 160 | With envelope |
| | 163 | LIQUID ELECTRODE DISCHARGE DEVICES |
| | 164 | Shock absorber for liquid |
| | 165 | Plural liquid electrodes |
| | 166 | Starting band or external electrode |
| | 167 | Apertured electrode (e.g., grid) interposed in discharge space |
| | 168 | Plural anodes in separate envelope chambers |
| | 169 | Plural anodes with anode arc shield |
| | 170 | Auxiliary starting or holding electrode |
| | 172 | Liquid in contact with plural electrodes |
| | 173 | Cathode spot anchoring |
| | 545 | HAVING VALVE WITH GETTER, GAS/VAPOR GENERATING MATERIAL OR PRESSURE CONTROL MEANS |
| | 546 | WITH FRANGIBLE CAPSULE CONTAINING GETTER, GAS OR VAPOR GENERATING MATERIAL |
| | 547 | HAVING HEATING MEANS TO CONTROL GAS/VAPOR, GAS OR VAPOR GENERATING MEANS, OR GETTER MEANS |
| | 548 | Incandescent lamp gettering |
| | 549 | Discharge device gettering |
| | 550 | Vapor generating |
| | 551 | Gas generating |
| | 552 | HAVING PRESSURE CONTROL OF GAS OR VAPOR |
| | 553 | WITH GETTER |
| | 554 | Plural |
| | 556 | And vapor generator |
| | 557 | Incandescent lamp type |
| | 558 | Electrode includes getter, supports getter, or is connected to getter |
| | 559 | Mounted on electrode support |
| | 560 | With structure to direct or shield from getter |
| | 561 | With contained getter |
| | 562 | Gas or vapor device type |
| | 563 | HAVING GAS GENERATING MATERIAL |
| | 564 | HAVING VAPOR GENERATING MATERIAL |
| | 567 | WITH GAS OR VAPOR |
| | 568 | Having a particular total or partial pressure |
| | 578 | Incandescent filament lamp |
| | 581 | Three or more electrode discharge device |
| | 582 | Multiple gaseous discharge display panel |
| | 588 | Amplifier, cathanode, or ionic cathode |
| | 589 | Counter, indicator, or switching tube |
| | 590 | With shield to prevent discharge between electrodes |
| | 591 | Having cathode heater |
| | 594 | Start electrode exterior to envelope |
| | 595 | Internal start or control electrode between discharge electrodes |
| | 601 | Start electrode not in main discharge path |
| | 604 | Plural serial electrodes |
| | 605 | Mean free-path spacing of envelope portions or content parts |
| | 607 | Having electrode exterior to envelope |
| | 608 | Single electrode type discharge device, or including particulate material |
| | 609 | Having baffle, partition, or constricting means affecting discharge |
| | 613 | Having electrode shield |
| | 617 | Having spur electrode |
| | 618 | Having hollow cathode |
| | 619 | Negative or cathode glow device |
| | 620 | Having specified electrode spacing |
| | 621 | Having electrodes with geometrical relationship |
| | 622 | Discharge device with diverse electrodes |
| | 623 | Having electrode lead-in or electrode support sealed to envelope |
| | 626 | Having lead-in shield |
| | 627 | Having electrode heated by space discharge current |
| | 629 | Having resistance heated cathode |
| | 630 | Having electrode of alkali, alkaline or rare earth material |
| | 631 | Having particular electrode structure |
| | 633 | Electrode composition |
| | 634 | Envelope with particular structure |
| | 636 | Envelope composition |
| | 637 | With particular gas or vapor |
| | 230 | DISCHARGE DEVICE WITH POSITIVE ION EMITTER |
| | 231.01 | FLUENT MATERIAL SUPPLY OR FLOW DIRECTING MEANS |
| | 231.11 | Lightning or surge arrester |
| | 231.31 | Plasma |
| | 231.71 | Arc discharge lamp or radiation source |
| | 232 | ELECTRODES IMMERSED IN LIQUID |
| | 233 | INVOLVING PARTICULAR DEGREE OF VACUUM |
| | 234 | ELECTRODE EXTERIOR TO ENVELOPE |
| | 235 | IMPERFECT ELECTRICAL CONTACT BETWEEN ELECTRODES |
| | 236 | STAND-BY ELECTRODE TYPE (WITH SPARE ELECTRODE) |
| | 237 | WITH ELECTRODE REPLACEMENT MEANS OR DEMOUNTABLE |
| | 238 | WITH SUPPORT AND/OR SPACING STRUCTURE FOR ELECTRODE AND/OR SHIELD |
| | 239 | For shield |
| | 240 | Shield supported by electrode, electrode support, or spacer |
| | 242 | Shield supported by or forming part of envelope stem |
| | 243 | For plural electrodes of discharge device |
| | 244 | Envelope supports or forms electrode |
| | 245 | Plural discharge spaces formed by three or more electrodes |
| | 246 | Electrode forms part of envelope |
| | 248 | Conductive envelope supports plural electrodes |
| | 249 | Elongated envelope with electrodes spaced along length |
| | 250 |  With spacer between electrodes or electrode supports |
| | 251 | Plural electrodes supported along the length of a wire, rod, or tube |
| | 252 | Support structure supported by the envelope |
| | 253 | At spaced or opposed portions of envelope |
| | 254 |  At three or more portions of envelope |
| | 255 | Same electrode supported by spaced or opposed portions |
| | 256 | Insulating or ceramic support rod or tube |
| | 257 | With spacer between electrode or electrode supports |
| | 258 | Spacer between envelope and support or electrode |
| | 259 | Insulating coating forms spacer |
| | 260 | Plate or bar extending across ends of electrodes |
| | 262 | Ceramic bead for joining parts |
| | 263 | With indirectly heated cathode |
| | 264 | With U-shaped, V-shaped, or plural sections filament |
| | 265 | Apertured electrode (e.g., grid) supported between two other electrodes |
| | 266 | Stem or envelope structure |
| | 267 | Plural rod electrodes |
| | 268 | Insulating spacer between discharge electrodes |
| | 269 | With vibration damping device |
| | 270 | For indirectly heated cathode |
| | 271 | For filament |
| | 272 | Plural filaments |
| | 273 | Plural section filament |
| | 274 | Supports supported by opposed parts of envelope |
| | 275 | Insulator supports filament |
| | 276 | Conductive member supports insulator |
| | 277 | Insulating standard supports filament brackets or anchors |
| | 278 | Tension device for filament |
| | 279 | Support intermediate of filament ends |
| | 281 | Support mounted in or around aperture in conductive wall or plate |
| | 282 | Conductive envelope supports electrode |
| | 283 | Electrode supported by envelope |
| | 284 | Electrode supporting member supported by envelope |
| | 291 | Electrode formed by coating on envelope |
| | 292 | Supporting and/or spacing elements |
| | 293 | DISCHARGING DEVICES WITH APERTURED ELECTRODE (E.G., GRID) INTERPOSED BETWEEN TWO ELECTRODES |
| | 294 | Non-uniformly spaced from another electrode |
| | 295 | Interposed electrode with non-uniform mesh area (e.g., variable mu) |
| | 296 | Plural interposed apertured electrodes |
| | 297 | Serially arranged |
| | 298 | Plural interelectrode discharge |
| | 299 | Aligned apertures (e.g., beam power) |
| | 300 | Three or more serially arranged |
| | 301 | Plural interelectrode discharge spaces |
| | 302 | Plural cathodes |
| | 303 | Three or more nonemissive electrodes (e.g., plural anodes) |
| | 304 | Plural-parallel-section cathode with electrode surrounding each section |
| | 305 | DISCHARGE HEATED ANODE TYPE (E.G., CATHANODE) |
| | 306 | DISCHARGE DEVICES HAVING THREE OR MORE ELECTRODES |
| | 309 | DISCHARGE DEVICES HAVING A MULTIPOINTED OR SERRATED EDGE ELECTRODE |
| | 310 | DISCHARGE DEVICES HAVING A THERMIONIC OR EMISSIVE CATHODE |
| | 311 | DISCHARGE DEVICES HAVING AN ELECTRODE OF PARTICULAR MATERIAL |
| | 312 | WITH CASING OF JACKET FOR ENVELOPE |
| | 313 | WITH ELECTRICAL SHIELD OR STATIC CHARGE DISTRIBUTION MEANS |
| | 314 | NONREPAIRABLE |
| | 315 | INCANDESCENT LAMPS |
| | 317 | WITH ENVELOPE |
| | 318.01 | Having base and connector |
| | 318.02 | Secure to each end of a double-ended or tubular envelope |
| | 318.03 | Having an annular contact disposed concentrically about the longitudinal axis of the envelope |
| | 318.05 | Having spaced, longitudinally engaging, pronglike contacts |
| | 318.06 | Having three or more electrical contacts |
| | 318.07 | Associated with pinch (or press) seal of envelope |
| | 318.08 | Base attached to the envelope with cement or adhesive |
| | 318.09 | Base attached to the envelope with friction or other mechanical means |
| | 318.11 | Having a reflector in combination with base |
| | 318.12 | Having a connector |
| | 323 | COMBINED |
| | 325 | MISCELLANEOUS DISCHARGE DEVICES |
| | 326 | ELECTRODE AND SHIELD STRUCTURES |
| | 327 | Self-baking electrodes (e.g., Soederberg) |
| | 328 | Liquid electrode container |
| | 329 | Mosaic electrodes |
| | 331 | With lead wire or connector |
| | 332 | Inserted section or material |
| | 333 | Filament or wire shield or electrode |
| | 334 | Nonmetallic electrode or shield |
| | 335 | Rod electrode or shield |
| | 336 | Point source cathodes |
| | 337 | Indirectly heated cathodes |
| | 338 | Plural separate cathode sections |
| | 339 | Interior emissive hollow cathodes |
| | 340 | Insulating material between heater and cathode |
| | 341 | Filament or resistance heated electrodes |
| | 346R | Cathodes containing and/or coated with electron emissive material |
| | 347 | Incandescible upon electron bombardment |
| | 348 | Foraminous electrodes (e.g., grids) or shields |
