Patent US2653988A successfully refreshed from Google Patents.
US2653988A
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Storage battery and mounting and connection means therefor
Assignee: National Battery Co
•
Filing: 1949-11-12
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Granted: 1953-09-29
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Expires: 1969-11-12
Abstract
No abstract record available.
Inventors
- 👤 John L Rupp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:41
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/20; H01M50/256; H01M50/202; H01M50/262; H01M50/271; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |