Patent US2646611A successfully refreshed from Google Patents.
US2646611A
Expired / Lapsed
US
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Gear cutter
Assignee: Gleason Works
•
Filing: 1947-04-23
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Granted: 1953-07-28
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Expires: 1967-04-23
Abstract
No abstract record available.
Inventors
- 👤 Oliver F Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:36
CPC Classifications
B; B23; B23F; B23F21/00; B23F21/12; B23F21/14; B23F21/143; B23F21/146; Y; Y10; Y10T; Y10T407/00; Y10T407/17; Y10T407/1745; Y10T407/19; Y10T407/1902; Y10T407/1906; Y10T407/1934; Y10T407/1942; Y10T407/1944
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) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |