Patent US4482048A successfully refreshed from Google Patents.
Patent US1403409A successfully refreshed from Google Patents.
US1403409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry cell
Assignee: National Carbon Co Inc
•
Filing: 1919-05-09
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Granted: 1922-01-10
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Expires: 1939-05-09
Abstract
No abstract record available.
Inventors
- 👤 Clarrnce W Hazelett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:05
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/06; H01M4/08; H01M4/10; Y; 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) | 1925-01-09 | 1925-07-11 | 1926-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-01-09 | 1929-07-11 | 1930-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-01-09 | 1933-07-11 | 1934-01-10 | $7700.00 | Window Closed / Lapsed |