Patent US3072878A successfully refreshed from Google Patents.
US3072878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical lamp socket
Assignee: United Carr Fastener Corp
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Filing: 1961-05-29
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Granted: 1963-01-08
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Expires: 1981-05-29
Abstract
No abstract record available.
Inventors
- 👤 Woodward Arthur Stanley
- 👤 Eric L Pihl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:50
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/05; H01R33/22
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
137 words
A LAMP SOCKET INCLUDING AN INSULATING HOUSING OPEN AT ONE END, AND A PAIR OF CONTACTS, SAID INSULATING HOUSING HAVING A BASE AND AN UPSTANDING WALL EXTENDING SUBSTANTIALLY NORMAL TO SAID BASE, SAID UPSTANDING WALL HAVING MEANS OF ENGAGING A BULB AND SLOT MEANS EXTENDING FROM SAID OPEN END TO SAID BASE, A SERIES OF GROOVED WALLS FORMING RECESSES ON THE EXTERNAL SURFACE OF SAID UPSTANDING WALL, EACH OF SAID CONTACTS HAVING A PAIR OF TAB MEMBERS AND MEANS FOR ENGAGING SAID GROOVED WALLS, SAID CONTACTS ENGAGING SAID INSULATING HOUSING IN SUBSTANTIALLY ABUTTING RELATION WITH SAID EXTERNAL SURFACE OF SAID UPSTANDING WALL AND IN SPACED RELATION WITH EACH OTHER, EACH OF SAID CONTACTS HAVING TAB MEMBERS EXTENDING INTO THE AREA ENCOMPASSED BY SAID UPSTANDING WALL THEREBY PROVIDING ELECTRICAL CONTINUITY BETWEEN A LAMP BULB AND AN EXTERNAL CIRCUIT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |