US1596912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hob and method for producing gears
Assignee: Gleason Works
•
Filing: 1925-06-22
•
Granted: 1926-08-24
•
Expires: 1945-06-22
Abstract
No abstract record available.
Inventors
- 👤 Wildhaber Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:08
CPC Classifications
B; B23; B23F; B23F9/00; B23F9/08; B23F9/082; B23F21/00; B23F21/12; B23F21/16; Y; Y10; Y10T; Y10T407/00; Y10T407/17; Y10T407/1715; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/10159; Y10T409/101749; Y10T409/101908
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1929-08-23 | 1930-02-22 | 1930-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-08-23 | 1934-02-22 | 1934-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-08-23 | 1938-02-22 | 1938-08-24 | $7700.00 | Window Closed / Lapsed |