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![[Search a list of Patent Appplications for class 313]](../as.gif) Class 313 | ELECTRIC LAMP AND DISCHARGE DEVICES |
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![[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 |
