US1639280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage cell and electrode therefor
Assignee: PREST O LITE CO Inc
•
Filing: 1922-08-11
•
Granted: 1927-08-16
•
Expires: 1942-08-11
Abstract
No abstract record available.
Inventors
- 👤 Raymond C Benner
- 👤 Harry F French
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:02
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M10/00; H01M10/04; H01M10/0413; 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) | 1930-08-15 | 1931-02-14 | 1931-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-08-15 | 1935-02-14 | 1935-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-08-15 | 1939-02-14 | 1939-08-16 | $7700.00 | Window Closed / Lapsed |