US2802042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry cell
Assignee: Spectrum Brands Inc
•
Filing: 1954-05-06
•
Granted: 1957-08-06
•
Expires: 1974-05-06
Abstract
No abstract record available.
Inventors
- 👤 Herman R C Authony
- 👤 Arnold T Torgerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:51
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06; H01M6/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2595963A
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US2665329A
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US2636062A
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US2590824A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |