US2913962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear cutting machine and method and cutter therefor
Assignee: Gleason Works
•
Filing: 1956-09-25
•
Granted: 1959-11-24
•
Expires: 1976-09-25
Abstract
No abstract record available.
Inventors
- 👤 Leonard O Carlsen
- 👤 Robert F Pigage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:40
CPC Classifications
B; B23; B23F; B23F23/00; B23F23/12; B23F21/00; B23F21/12; B23F21/22; B23F21/223; B23F21/226; B23F9/00; B23F9/08; B23F9/10; Y; Y10; Y10T; Y10T407/00; Y10T407/17; Y10T407/1705; Y10T407/171; Y10T409/00; Y10T409/10; Y10T409/107791; Y10T409/10795; Y10T409/108109; Y10T409/108268; Y10T409/108427
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |