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US2416651A
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Storage battery
Assignee: Willard Storage Battery Co
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Filing: 1943-07-14
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Granted: 1947-02-25
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Expires: 1963-07-14
Abstract
No abstract record available.
Inventors
- 👤 John R Smyth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:08
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/04; H01M10/0413; 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)
US406223A
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US671707A
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US734896A
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US1481226A
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US1732158A
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US1654823A
Cited
GB537102A
Cited
US2315592A
Cited
GB550951A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-24 | 1950-08-26 | 1951-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-24 | 1954-08-26 | 1955-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-24 | 1958-08-26 | 1959-02-25 | $7700.00 | Window Closed / Lapsed |