Patent US2505207A successfully refreshed from Google Patents.
US2505207A
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US
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Nonspill storage battery
Assignee: Exide Technologies LLC
•
Filing: 1945-11-14
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Granted: 1950-04-25
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Expires: 1965-11-14
Abstract
No abstract record available.
Inventors
- 👤 Riggs Harold Coleman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:01
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/42; H01M10/48; H01M10/484; H01M50/00; H01M50/10; H01M50/102; H01M50/112; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB133803A
Cited
USRE22833E
Cited
GB190304234A
Cited
US1993893A
Cited
US2206306A
Cited
US2296778A
Cited
US2252633A
Cited
US2379189A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-24 | 1953-10-24 | 1954-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-24 | 1957-10-24 | 1958-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-24 | 1961-10-24 | 1962-04-25 | $7700.00 | Window Closed / Lapsed |