Patent US2586451A successfully refreshed from Google Patents.
US2586451A
Expired / Lapsed
US
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Cutter for gears, face couplings, and the like
Assignee: Gleason Works
•
Filing: 1947-09-17
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Granted: 1952-02-19
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Expires: 1967-09-17
Abstract
No abstract record available.
Inventors
- 👤 Wilhaber Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:48
CPC Classifications
B; B23; B23F; B23F21/00; B23F21/12; B23F5/00; B23F5/20; B23F5/205; B23F5/207; Y; Y10; Y10T; Y10T407/00; Y10T407/17; Y10T407/1745
Claims Analysis
Total Claims: 0
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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) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |