US1976984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear cutting machine
Assignee: Gleason Works
•
Filing: 1931-03-02
•
Granted: 1934-10-16
•
Expires: 1951-03-02
Abstract
No abstract record available.
Inventors
- 👤 Robert S Condon
- 👤 Albert P Schauseil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:18
CPC Classifications
B; B23; B23F; B23F1/00; B23F1/06; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/100795; Y10T409/101113; Y10T409/101272; Y10T409/101431; Y10T409/103816; Y10T409/10954; Y10T409/109699
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-10-15 | 1938-04-16 | 1938-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-10-15 | 1942-04-16 | 1942-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-10-15 | 1946-04-16 | 1946-10-16 | $7700.00 | Window Closed / Lapsed |