US2266686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery construction
Assignee: FERN V EMANUEL
•
Filing: 1939-03-20
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Granted: 1941-12-16
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Expires: 1959-03-20
Abstract
No abstract record available.
Inventors
- 👤 Benjamin D Emanuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:55
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/04; H01M10/045; H01M10/0454; H01M10/0413; H01M10/0463; H01M10/06; H01M10/08; H01M10/10; H01M10/12; 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) | 1944-12-15 | 1945-06-16 | 1945-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-12-15 | 1949-06-16 | 1949-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-12-15 | 1953-06-16 | 1953-12-16 | $7700.00 | Window Closed / Lapsed |