US1374003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reclaiming dry batteries
Assignee: National Carbon Co Inc
•
Filing: 1917-09-29
•
Granted: 1921-04-05
•
Expires: 1937-09-29
Abstract
No abstract record available.
Inventors
- 👤 Ellis Carleton
- 👤 Alfred A Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:33
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/52; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/84; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49108
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) | 1924-04-04 | 1924-10-04 | 1925-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-04-04 | 1928-10-04 | 1929-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-04-04 | 1932-10-04 | 1933-04-05 | $7700.00 | Window Closed / Lapsed |