US2174918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for feeding ingots into melting furnaces
Assignee: HENLEY EXTRUSION MACHINE Co Ltd
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Filing: 1937-07-07
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Granted: 1939-10-03
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Expires: 1957-07-07
Abstract
No abstract record available.
Inventors
- 👤 Dunsheath Percy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:17
CPC Classifications
F; F27; F27B; F27B3/00; F27B3/10; F27B3/18; B; B65; B65G; B65G29/00; C; C21; C21D; C21D9/00; C21D9/0006; C21D9/0018; F27D; F27D3/00; F27D3/0025; B65G2812/00; B65G2812/14; F27D2003/0001; F27D2003/0014; F27D2003/0016; F27D2003/0034; F27D2003/0065; F27D2003/0085; F27D2003/0093; F27D19/00; F27D2019/0028; F27D2019/0075; F27D21/00; F27D21/0035; F27D2021/0042; F27M; F27M2001/00; F27M2001/15; F27M2001/1539; F27M2001/1547; F27M2001/1552; F27M2001/22
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) | 1942-10-02 | 1943-04-03 | 1943-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-10-02 | 1947-04-03 | 1947-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-10-02 | 1951-04-03 | 1951-10-03 | $7700.00 | Window Closed / Lapsed |