US2942053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric battery
Assignee: Exide Technologies LLC
•
Filing: 1956-07-10
•
Granted: 1960-06-21
•
Expires: 1976-07-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Claude M Baldwin
- 👤 Hubert F Bauman
- 👤 William S Graff
- 👤 Richard F Green
- 👤 Skeen Hobson Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:53
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/04; H01M10/0413; H01M6/00; H01M6/42; H01M6/46; 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)
US401289A
Cited
US477914A
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US895549A
Cited
US1377194A
Cited
US2379374A
Cited
US2727079A
Cited
US2727082A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |