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Class Information
Number: 313/318.02
Name: Electric lamp and discharge devices > With envelope > Having base and connector > Secure to each end of a double-ended or tubular envelope
Description: Devices wherein the envelope has a cylindrical form or a particular form that has two opposite ends and wherein the base is supported by one end of the envelope which is opposite to the other end of the envelope which is secured to either a different portion of the same base or another base.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4825128 |
Compact discharge lamp with conductive coating capacitvely coupled to high frequency supply |
Apr. 25, 1989 |
| 4751422 |
Tubular electric incandescent lamp |
Jun. 14, 1988 |
| 4703227 |
Low pressure mercury vapor discharge lamp and preparation thereof |
Oct. 27, 1987 |
| 4695767 |
Single-ended fluorescent lamp-base combination |
Sep. 22, 1987 |
| 4673843 |
DC discharge lamp |
Jun. 16, 1987 |
| 4672263 |
Single-ended fluorescent discharge lamp construction |
Jun. 9, 1987 |
| 4626735 |
Incandescent lamp having two lead-in conductors sealed within one end and including expansion means |
Dec. 2, 1986 |
| 4621220 |
Incandescent lamp having two lead-in conductors sealed within one end thereof |
Nov. 4, 1986 |
| 4575656 |
Starting aid for non-linear discharge lamps and method of making same |
Mar. 11, 1986 |
| 4570105 |
Electrical adapter for use in connection with fluorescent lamps |
Feb. 11, 1986 |
| 4506192 |
Fluorescent lamp and a base thereof |
Mar. 19, 1985 |
| 4496873 |
Flash tube having coax cable connector |
Jan. 29, 1985 |
| 4495443 |
Compact fluorescent lamp combination, and method of making it |
Jan. 22, 1985 |
| 4491893 |
Gas filled surge arrester |
Jan. 1, 1985 |
| 4488082 |
Bi-fitted incandescent electric light bulbs with internal electrically parallel conductors |
Dec. 11, 1984 |
| 4426602 |
Low-pressure mercury vapor discharge lamp |
Jan. 17, 1984 |
| 4406969 |
Circular fluorescent lamp holder |
Sep. 27, 1983 |
| 4404491 |
Electric incandescent lamp |
Sep. 13, 1983 |
| 4345812 |
Electron tube base with flow channels therein |
Aug. 24, 1982 |
| 4326146 |
Base and terminal-pin assembly for electric lamps and similar devices |
Apr. 20, 1982 |
| 4324998 |
Base and terminal-pin assembly for an electric lamp |
Apr. 13, 1982 |
| 4310772 |
Sealed beam lamp and method of manufacture |
Jan. 12, 1982 |
| 4298822 |
Folded fluorescent lamp and socket |
Nov. 3, 1981 |
| 4295075 |
Arc discharge lamp having ceramic arc tube |
Oct. 13, 1981 |
| 4277715 |
Electric gas discharge lamp |
Jul. 7, 1981 |
| 4275331 |
Fluorescent lamp unit |
Jun. 23, 1981 |
| 4272702 |
Fluorescent lamp |
Jun. 9, 1981 |
| 4254356 |
Inlead and method of making a discharge lamp |
Mar. 3, 1981 |
| 4163170 |
Low-pressure gas discharge lamp |
Jul. 31, 1979 |
| 4130774 |
Flash tube having improved end cap construction |
Dec. 19, 1978 |
| 4117372 |
Gas discharge lamp with double-electrode powered through a rectifier, and discharge-tight cross-connection of the electrode chambers, and a process for its manufacture |
Sep. 26, 1978 |
| 4102558 |
Non-shocking pin for fluorescent type tubes |
Jul. 25, 1978 |
| 4092562 |
Fluorescent lamp unit for multiple installation |
May. 30, 1978 |
| 4075530 |
High pressure sodium vapor lamp of unsaturated vapor pressure type |
Feb. 21, 1978 |
| 4039886 |
Contact pin insulation of infrared bright radiators |
Aug. 2, 1977 |
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