Patent US3533844A successfully refreshed from Google Patents.
US3533844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal battery cell
Assignee: United States Department of the Navy
•
Filing: 1966-09-14
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Granted: 1970-10-13
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Expires: 1986-09-14
Abstract
No abstract record available.
Inventors
- 👤 Edward M Klopp
- 👤 Terrence J Kurtzweil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:11
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M6/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2612534A
Cited
US3023262A
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US2699459A
Cited
US2997518A
Cited
US3245836A
Cited
US3160531A
Cited
US3306776A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |