US2024949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic discharging mechanism
Assignee: American Sheet and Tin Plate Co
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Filing: 1933-02-13
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Granted: 1935-12-17
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Expires: 1953-02-13
Abstract
No abstract record available.
Inventors
- 👤 Frederick K Schefe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:59
CPC Classifications
F; F27; F27B; F27B9/00; F27B9/30; F27B9/38; F27B9/14; F27B9/20; F27B9/24; F27B9/243; F27D; F27D3/00; F27D2003/0034; F27D2003/0042; F27D2003/0046; F27D2003/0051; F27M; F27M2001/00; F27M2001/15; F27M2001/1539; F27M2001/156; F27M2001/1565; F27M2001/1573
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) | 1938-12-16 | 1939-06-17 | 1939-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-12-16 | 1943-06-17 | 1943-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-12-16 | 1947-06-17 | 1947-12-17 | $7700.00 | Window Closed / Lapsed |