Patent FR1162442A successfully refreshed from Google Patents.
US2516048A
Expired / Lapsed
US
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Heated battery
Assignee: Willard Storage Battery Co
•
Filing: 1946-02-27
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Granted: 1950-07-18
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Expires: 1966-02-27
Abstract
No abstract record available.
Inventors
- 👤 Clarence H Endress
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:20
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/60; H01M10/61; H01M10/615; H01M10/65; H01M10/653; H01M10/654; H01M10/657; H01M10/6571; H01M10/62; H01M10/625; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1266780A
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US1587425A
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US1779946A
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US2157139A
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US2418792A
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US2420577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |