US2523354A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery holder for electrically operated devices
Assignee: Duracell Inc USA
•
Filing: 1945-12-22
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Granted: 1950-09-26
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Expires: 1965-12-22
Abstract
No abstract record available.
Inventors
- 👤 Edward W Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:44
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/06; H04B1/08; H04B1/086; H01; H01M; H01M50/00; H01M50/20; H01M50/204; H01M50/207; H01M50/216; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10S; Y10S116/00; Y10S116/35
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-25 | 1954-03-27 | 1954-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-25 | 1958-03-27 | 1958-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-25 | 1962-03-27 | 1962-09-26 | $7700.00 | Window Closed / Lapsed |