US3569907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp base and socket
Assignee: General Electric Co
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Filing: 1968-08-28
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Granted: 1971-03-09
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Expires: 1988-08-28
Abstract
Abstract A special purpose electric lamp having a base of the bayonet type and a socket accommodating the base. A stop in the socket obstructs the insertion of a conventional bayonet lamp base into a locked position in the socket and the bayonet base of the special purpose lamp accommodates the stop in the locked position of the lamp in the socket.
Inventors
- 👤 William B Landgraf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:50
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/05; H01R33/46; H01K; H01K1/00; H01K1/42; H01K1/46
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
79 words
In a lighting unit including an electric lamp having a bayonet base and a socket adapted to receive the base, the socket having a stop comprising an internally extending protrusion on the socket shell disposed to obstruct the insertion of a conventional bayonet base into a locked position in the socket, and the base having a portion accommodating the stop in the locked position of the base in the socket and comprising a recessed part of the base insulator.
Claim 2
Dependent Claim
79 words
In a lighting unit including an electric lamp having a bayonet base and a socket adapted to receive the base, the socket having a stop comprising an internally extending protrusion on the socket shell disposed to obstruct the insertion of a conventional bayonet base into a locked position in the socket, and the base having a portion accommodating the stop in the locked position of the base in the socket and comprising a recessed part of the base insulator.
Claim 3
Dependent Claim
21 words
A lighting unit according to claim 1 wherein the socket stop is an inwardly bent peripheral portion of the socket shell.
References Cited (Backward Citations)
GB286852A
Cited
US2906986A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |