US2766664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of cutting gears
Assignee: Individual
•
Filing: 1950-09-26
•
Granted: 1956-10-16
•
Expires: 1970-09-26
Abstract
No abstract record available.
Inventors
- 👤 Ciallie Arturo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:42
CPC Classifications
B; B23; B23F; B23F9/00; B23F9/08; B23F9/10; B23F9/105; B23F21/00; B23F21/12; B23F21/22; B23F21/223; B23F21/226; Y; Y10; Y10T; Y10T407/00; Y10T407/17; Y10T407/1705; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/103816; Y10T409/103975
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) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |