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Class Information
Number: 313/231.5
Name: Electric lamp and discharge devices >
Description:










Sub-classes under this class:

Class Number Class Name Patents
313/1 Plural unit 56
313/10 With temperature indicator 6
313/106 Secondary emission prevention 31
313/107.5 Variable width electron stream (e.g., magic eye) 2
313/11 With temperature modifier 86
313/110 With optical device or special ray transmissive envelope 377
313/118 Spark plugs 280
313/146 With movable electrode or shield 60
313/153 With magnetic device 79
313/163 Liquid electrode discharge devices 27
313/230 Discharge device with positive ion emitter 88
313/231.01 Fluent material supply or flow directing means 95
313/232 Electrodes immersed in liquid 22
313/233 Involving particular degree of vacuum 7
313/234 Electrode exterior to envelope 213
313/235 Imperfect electrical contact between electrodes 3
313/236 Stand-by electrode type (with spare electrode) 7
313/237 With electrode replacement means or demountable 42
313/238 With support and/or spacing structure for electrode and/or shield 148
313/293 Discharging devices with apertured electrode (e.g., grid) interposed between two electrodes 109
313/305 Discharge heated anode type (e.g., cathanode) 7
313/306 Discharge devices having three or more electrodes 217
313/309 Discharge devices having a multipointed or serrated edge electrode 1,259
313/310 Discharge devices having a thermionic or emissive cathode 801
313/311 Discharge devices having an electrode of particular material 577
313/312 With casing of jacket for envelope 47
313/313 With electrical shield or static charge distribution means 144
313/314 Nonrepairable 6
313/315 Incandescent lamps 227
313/317 With envelope 98
313/323 Combined 12
313/325 Miscellaneous discharge devices 89
313/326 Electrode and shield structures 135
313/358 Miscellaneous (e.g., electrolytic light source) 26
313/359.1 With positive or negative ion acceleration 259
313/364 Cathode ray tube 51
313/48 With handle 9
313/483 With luminescent solid or liquid material 449
313/49 With detachable electrical connector or support 58
313/513 With character display (e.g., digits or letters) 59
313/52 Convertible 2
313/523 Photosensitive 75
313/53 Flame or explosion type 1
313/54 With radioactive material 41
313/545 Having valve with getter, gas/vapor generating material or pressure control means 25
313/546 With frangible capsule containing getter, gas or vapor generating material 53
313/547 Having heating means to control gas/vapor, gas or vapor generating means, or getter means 48
313/552 Having pressure control of gas or vapor 49
313/553 With getter 158
313/563 Having gas generating material 18
313/564 Having vapor generating material 56
313/567 With gas or vapor 196
313/62 Cyclotrons 85
313/7 With evacuating pump 27
313/8 Arc and separate incandescent body 1
313/9 Filament and separate incandescent body 4
313/93 Geiger-mueller type 48
313/DIG.7 Bombardment induced conductivity 3


Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
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