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US1542705A
Expired / Lapsed
US
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Dry-cell battery
Assignee: HARRY M KORETZKY
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Filing: 1919-12-17
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Granted: 1925-06-16
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Expires: 1939-12-17
Abstract
No abstract record available.
Inventors
- 👤 Harry M Koretzky
- 👤 Boris H Teitelbaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:43
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M6/36; H01M6/38; H01M50/00; H01M50/50
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) | 1928-06-15 | 1928-12-15 | 1929-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-06-15 | 1932-12-15 | 1933-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-06-15 | 1936-12-15 | 1937-06-16 | $7700.00 | Window Closed / Lapsed |