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US3533843A
Expired / Lapsed
US
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Zinc electrode and method of forming
Assignee: General Electric Co
•
Filing: 1968-11-25
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Granted: 1970-10-13
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Expires: 1988-11-25
Abstract
No abstract record available.
Inventors
- 👤 Elihu C Jerabek
- 👤 Robert P Hamlen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:23
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M4/00; H01M4/02; H01M4/06; H01M4/08; H01M4/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2865974A
Cited
US3071638A
Cited
US3236696A
Cited
US3226260A
Cited
US3427203A
Cited
US3418171A
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 |