Patent US2901522A successfully refreshed from Google Patents.
US2901522A
Expired / Lapsed
US
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Oxidation cells
Assignee: Individual
•
Filing: 1951-10-17
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Granted: 1959-08-25
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Expires: 1971-10-17
Abstract
No abstract record available.
Inventors
- 👤 Bopp Anton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:01
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/36; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US328607A
Cited
US368190A
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US511159A
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US555511A
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US569591A
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US764595A
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US884664A
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US940734A
Cited
US2257129A
Cited
US2399127A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |