Patent US1605093A successfully refreshed from Google Patents.
Patent US1241257A successfully refreshed from Google Patents.
US1241257A
Expired / Lapsed
US
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Metal-working machine.
Assignee: STEEL UTILITIES Inc
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Filing: 1914-05-18
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Granted: 1917-09-25
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Expires: 1934-05-18
Abstract
No abstract record available.
Inventors
- 👤 Edward V Wurts
- 👤 John J Swinbank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:43
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/24; B21D28/243; G; G05; G05B; G05B2219/00; G05B2219/30; G05B2219/45; G05B2219/45137; Y; Y10; Y10T; Y10T83/00; Y10T83/162; Y10T83/166; Y10T83/169; Y10T83/869; Y10T83/8742; Y10T83/8743; Y10T83/8745; Y10T83/8746; Y10T83/8759; Y10T83/8761; Y10T83/8821; Y10T83/8824; Y10T83/8828; Y10T83/8831; Y10T83/8835; Y10T83/8841; Y10T83/8843; Y10T83/929; Y10T83/9457; Y10T83/9473; Y10T83/9483; Y10T83/9486
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) | 1920-09-24 | 1921-03-26 | 1921-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-09-24 | 1925-03-26 | 1925-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-09-24 | 1929-03-26 | 1929-09-25 | $7700.00 | Window Closed / Lapsed |