US3002172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retractable lampholder
Assignee: Bryant Electric Co
•
Filing: 1957-03-04
•
Granted: 1961-09-26
•
Expires: 1977-03-04
Abstract
No abstract record available.
Inventors
- 👤 George C Lennox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:50
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2240394A
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US2259378A
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US2384956A
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US2412826A
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US2472977A
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US2488677A
Cited
US2668277A
Cited
US2743424A
Cited
US2742621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |