US3757270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp assembly for edge lighted panel
Assignee: DUPREE Inc
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Filing: 1972-01-10
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Granted: 1973-09-04
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Expires: 1992-01-10
Abstract
Abstract A lamp with a bulb slidable within a housing. A spring member within the housing urging the bulb outward for engagement with a fixed contact when the lamp is placed in a socket, such as a metal ring mounted on a printed circuit board. A retainer on the housing for keeping the bulb in the housing and also providing a bayonet type base for mounting the lamp in a socket. A lamp with a spring loaded movable bulb for insertion and removal from the front surface of an edge lighted instrument panel.
Inventors
- 👤 J Dupree
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:27
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/05; H01R33/20; H01R33/205
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
70 words
In combination: an insulating board having at least two electrical conductors on one face thereof; and a lamp socket consisting of an annular metal member mounted on said board at said one face and fixed rigidly in electrical and mechanical engagement with one of said board conductors, with the other of said board conductors positioned centrally of said socket, with all of said socket on one side of said board.
Claim 2
Dependent Claim
70 words
In combination: an insulating board having at least two electrical conductors on one face thereof; and a lamp socket consisting of an annular metal member mounted on said board at said one face and fixed rigidly in electrical and mechanical engagement with one of said board conductors, with the other of said board conductors positioned centrally of said socket, with all of said socket on one side of said board.
Claim 3
Dependent Claim
70 words
A combination as defined in claim 1 in which said insulAting board has first, second and third conductors on one face thereof, with said first conductor disposed between said second and thrid conductors, and with said socket having spaced depending portions fixed rigidly in electrical and mechanical engagement with said second and third conductors, respectively, providing an electrical circuit therebetween, and with said first conductor positioned between said depending portions.
Claim 4
Dependent Claim
103 words
A combination as defined in claim 1 including: a housing; a bulb slidably carried within said housing; a resilient member positioned within said housing in engagement with said housing and bulb, urging said bulb out of said housing; said housing including a retainer for engaging said bulb blocking movement of said bulb out of said housing, with said bulb sliding within said housing toward and away from said retainer; said housing, bulb and resilient member forming a lamp, with said lamp positioned in said socket with said housing engaged with said socket and with said bulb engaging the other of said board conductors.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |