US2812376A
Expired / Lapsed
US
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Electric battery
Assignee: Yardney International Corp
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Filing: 1952-03-07
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Granted: 1957-11-05
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Expires: 1972-03-07
Abstract
No abstract record available.
Inventors
- 👤 Michel N Yardney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:53
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/36; G01R31/378; H; H01; H01M; H01M10/00; H01M10/04; H01M10/0413; H01M10/0468; H01M10/42; H01M10/425; H01M10/4264; H01M10/48; H01M2200/00; H01M2200/20; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |