US1796484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and machine for finishing gears
Assignee: Gleason Works
•
Filing: 1928-07-31
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Granted: 1931-03-17
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Expires: 1948-07-31
Abstract
No abstract record available.
Inventors
- 👤 Alton P Slade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:54
CPC Classifications
B; B23; B23F; B23F23/00; B23F23/12; B21; B21H; B21H5/00; B21H5/04; B21H5/045; B23F19/00; B23F19/02; B23F19/025; B23F23/10; Y; Y10; Y10T; Y10T29/00; Y10T29/47; Y10T29/477
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) | 1934-03-16 | 1934-09-15 | 1935-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-03-16 | 1938-09-15 | 1939-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-03-16 | 1942-09-15 | 1943-03-17 | $7700.00 | Window Closed / Lapsed |