US2794845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing electrodes for galvanic elements, especially accumulators
Assignee: Individual
•
Filing: 1953-02-04
•
Granted: 1957-06-04
•
Expires: 1973-02-04
Abstract
No abstract record available.
Inventors
- 👤 Alf G Grabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:05
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/007; B21J; B21J5/00; B21J5/06; B21J5/08; H; H01; H01M; H01M4/00; H01M4/02; H01M4/04; H01M4/64; H01M4/70; H01M4/80; H01M4/806; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1639280A
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US2304073A
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US2446524A
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US2616165A
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US2544112A
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US2563936A
Cited
US2610220A
Cited
US2640865A
Cited
US2636916A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-03 | 1960-12-03 | 1961-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-03 | 1964-12-03 | 1965-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-03 | 1968-12-03 | 1969-06-04 | $7700.00 | Window Closed / Lapsed |