US2651669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hermetically sealed storage battery
Assignee: Bureau Technique Gautrat Sarl
•
Filing: 1948-03-03
•
Granted: 1953-09-08
•
Expires: 1968-03-03
Abstract
No abstract record available.
Inventors
- 👤 Neumann Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:15
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/42; H01M10/34; H01M10/52; H01M50/00; H01M50/50; H01M50/572; H01M50/574; H01M2200/00; H01M2200/20; 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) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |