Patent US2604690A successfully refreshed from Google Patents.
US2604690A
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US
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Cutoff machine
Assignee: Aetna Standard Engineering Co
•
Filing: 1946-08-14
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Granted: 1952-07-29
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Expires: 1966-08-14
Abstract
No abstract record available.
Inventors
- 👤 Rodder William
- 👤 Donald V Strock
- 👤 Lothar S Heym
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:09
CPC Classifications
B; B23; B23D; B23D21/00; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5199; Y10T82/00; Y10T82/16; Y10T82/16426; Y10T82/16442; Y10T82/16459; Y10T82/25; Y10T82/2527
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US289817A
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US576988A
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US1419936A
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US2058940A
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US2112396A
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US2160476A
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US2211183A
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US2262178A
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US2326463A
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US2373472A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |