US2071469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage battery
Assignee: Willard Storage Battery Co
•
Filing: 1932-12-13
•
Granted: 1937-02-23
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Expires: 1952-12-13
Abstract
No abstract record available.
Inventors
- 👤 Henry W Lormor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:29
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/06; H01M10/12; H01M50/00; H01M50/10; H01M50/102; H01M50/112; 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)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-02-23 | 1940-08-24 | 1941-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-02-23 | 1944-08-24 | 1945-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-02-23 | 1948-08-24 | 1949-02-23 | $7700.00 | Window Closed / Lapsed |