Patent US2594901A successfully refreshed from Google Patents.
US2594901A
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Axial impact type tang break-off tool
Assignee: Heli Coil Corp
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Filing: 1950-07-25
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Granted: 1952-04-29
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Expires: 1970-07-25
Abstract
No abstract record available.
Inventors
- 👤 John O Forster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:57
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/143; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/371; Y10T29/00; Y10T29/53; Y10T29/53687; Y10T29/53691
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |