US2961631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wiring device
Assignee: Bryant Electric Co
•
Filing: 1955-09-29
•
Granted: 1960-11-22
•
Expires: 1975-09-29
Abstract
No abstract record available.
Inventors
- 👤 Clarence M Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:13
CPC Classifications
F; F21; F21S; F21S8/00; F21W; F21W2111/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2735078A
Cited
US1352776A
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US1540330A
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US2108031A
Cited
US2231976A
Cited
US2594850A
Cited
US2587239A
Cited
GB668203A
Cited
US2769154A
Cited
US2673968A
Cited
US2730688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |