US2679547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thin plate battery
Assignee: United States Department of the Army
•
Filing: 1951-01-09
•
Granted: 1954-05-25
•
Expires: 1971-01-09
Abstract
No abstract record available.
Inventors
- 👤 Fischbach Adolph
- 👤 Linden David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:54
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M6/32; H01M6/34; H01M4/00; H01M4/02; H01M4/64; H01M4/70; H01M4/75
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1321947A
Cited
GB189510448A
Cited
US1078380A
Cited
US2349763A
Cited
US2564495A
Cited
US2640863A
Cited
US2636060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-24 | 1957-11-23 | 1958-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-24 | 1961-11-23 | 1962-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-24 | 1965-11-23 | 1966-05-25 | $7700.00 | Window Closed / Lapsed |