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Class Information
Number: 313/315
Name: Electric lamp and discharge devices > Incandescent lamps
Description: Lamps which are provided with a glower or filament adapted to be heated to incandescence by the passage of an electric current therethrough.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4254358 |
Incandescent lamp |
Mar. 3, 1981 |
| 4249101 |
Incandescent lamp with infrared reflecting-visible energy transmitting coating and misaligned filament |
Feb. 3, 1981 |
| 4243907 |
Lamp having reduced width press-seal |
Jan. 6, 1981 |
| 4233543 |
Internal shunt for series connected lamps |
Nov. 11, 1980 |
| 4221989 |
Electric lamp seal construction |
Sep. 9, 1980 |
| 4216406 |
Electric lamp wherein the terminal socket cap contains a foamed cap cement which functions to prevent explosions and/or burning a hole through the cap |
Aug. 5, 1980 |
| 4208609 |
Squirm resistant filament |
Jun. 17, 1980 |
| 4196368 |
Improving incandescent bulb efficiency |
Apr. 1, 1980 |
| 4189657 |
Method of making sealed beam lamp |
Feb. 19, 1980 |
| 4184099 |
Composition for slow release of volatile ingredients at _high temperature; and article comprising same |
Jan. 15, 1980 |
| 4181869 |
Tungsten halogen lamp in reflector envelope |
Jan. 1, 1980 |
| 4180757 |
Incandescent lamp with vibration-protected filament mount |
Dec. 25, 1979 |
| 4175244 |
Lamp filament configuration for use in a drum lens |
Nov. 20, 1979 |
| 4174488 |
Electric lamp |
Nov. 13, 1979 |
| 4160929 |
Incandescent light source with transparent heat mirror |
Jul. 10, 1979 |
| 4152622 |
Lamp-base assembly |
May. 1, 1979 |
| 4149103 |
Incandescent lamp having embedded support means |
Apr. 10, 1979 |
| 4146814 |
Pinch and base structure for single-ended lamps |
Mar. 27, 1979 |
| 4145631 |
Incandescent lamp |
Mar. 20, 1979 |
| 4145332 |
Adhesives |
Mar. 20, 1979 |
| 4144473 |
Electric incandescent lamp with cylindrical filament |
Mar. 13, 1979 |
| 4132922 |
Gas-filled incandescent lamp with integral fuse assembly |
Jan. 2, 1979 |
| 4126810 |
Ceramic base for glass halogen lamps |
Nov. 21, 1978 |
| 4119832 |
Hermetically sealed electrical gas fuel igniter |
Oct. 10, 1978 |
| 4114066 |
Subminiature incandescent lamp |
Sep. 12, 1978 |
| 4103201 |
Cementless base incandescent lamp |
Jul. 25, 1978 |
| 4101798 |
Electric lamp with a torpedo shaped conductor tip |
Jul. 18, 1978 |
| 4088918 |
Incandescent lamp having embedded support wires |
May. 9, 1978 |
| 4081708 |
Incandescent lamp-reflector unit |
Mar. 28, 1978 |
| 4079283 |
High wattage incandescent lamp with support for a planar segmented filament |
Mar. 14, 1978 |
| 4069437 |
Infrared lamp with heat conductive cap assembly and fixture |
Jan. 17, 1978 |
| 4061940 |
Baseless cartridge lamp and socket therefor |
Dec. 6, 1977 |
| 4052638 |
Flare-wedge lamp |
Oct. 4, 1977 |
| 4044277 |
Mechanically assembled base for electric lamps |
Aug. 23, 1977 |
| 4032809 |
Tantalum carbide or tantalum-alloy carbide filament mounting and method |
Jun. 28, 1977 |
| 4028577 |
Electric lamp with insulating base |
Jun. 7, 1977 |
| 4020382 |
Lamp having screw base |
Apr. 26, 1977 |
| 4012658 |
Electric lamps mounted in a flanged cap |
Mar. 15, 1977 |
| 3997809 |
Decorative lamp having an integral base and envelope |
Dec. 14, 1976 |
| 3997808 |
Mounting for single-ended lamp |
Dec. 14, 1976 |
| 3986067 |
Electric incandescent lamp with support structure for a planar filament |
Oct. 12, 1976 |
| 3986068 |
Miniature indicating lamp |
Oct. 12, 1976 |
| 3979627 |
Electric lamp with insulating base |
Sep. 7, 1976 |
| 3979622 |
Headlight and incandescent lamp for anti-dazzle beam |
Sep. 7, 1976 |
| 3959684 |
Miniature lamp construction and method of manufacture |
May. 25, 1976 |
| 3956660 |
Electric incandescent lamp |
May. 11, 1976 |
| 3953757 |
Solder sealed light bulb |
Apr. 27, 1976 |
| 3943395 |
Tubular incandescent lamp having spaced segments |
Mar. 9, 1976 |
| 3942063 |
Incandescent lamp having increased life |
Mar. 2, 1976 |
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