US2122233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for melting metal
Assignee: HENLEY EXTRUSION MACHINE Co Ltd
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Filing: 1936-05-29
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Granted: 1938-06-28
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Expires: 1956-05-29
Abstract
No abstract record available.
Inventors
- 👤 Dunsheath Percy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:13
CPC Classifications
F; F27; F27B; F27B14/00; F27D; F27D19/00; F27D3/00; F27D3/0025; F27D2003/0034; F27D2003/0065; F27D2019/0028; F27D2019/0059; F27D2019/0075; F27D2019/0084; F27D99/00; F27D99/0001; F27D99/0033; F27M; F27M2001/00; F27M2001/21; Y; Y10; Y10S; Y10S266/00; Y10S266/90
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) | 1941-06-27 | 1941-12-27 | 1942-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-06-27 | 1945-12-27 | 1946-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-06-27 | 1949-12-27 | 1950-06-28 | $7700.00 | Window Closed / Lapsed |