US2956101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery cover
Assignee: Individual
•
Filing: 1956-06-27
•
Granted: 1960-10-11
•
Expires: 1976-06-27
Abstract
No abstract record available.
Inventors
- 👤 Jr William E Buhl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:39
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/20; H01M50/271; H01M50/273; H01M50/204; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US273278A
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US1195217A
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US1177547A
Cited
GB161804A
Cited
US1424144A
Cited
US1483091A
Cited
US1983507A
Cited
US2629759A
Cited
US2710660A
Cited
US2692906A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |