US2938189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric lamp socket with pin tap connecting means
Assignee: GILBERT Manufacturing CO Inc
•
Filing: 1955-09-23
•
Granted: 1960-05-24
•
Expires: 1975-09-23
Abstract
No abstract record available.
Inventors
- 👤 Frederick D Keeler
- 👤 John W Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:10
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1885108A
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US2079801A
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US2175844A
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US2183377A
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US2465700A
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US2599303A
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US2647246A
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US2724810A
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US2731612A
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US2704834A
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US2789274A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |