US1773386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for gear grinding
Assignee: Individual
•
Filing: 1925-06-01
•
Granted: 1930-08-19
•
Expires: 1945-06-01
Abstract
No abstract record available.
Inventors
- 👤 Burgess Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:45
CPC Classifications
B; B23; B23F; B23F23/00; B23F23/12; B23F23/1225; B24; B24B; B24B53/00; B24B53/06; B24B53/08; B24B53/083
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) | 1933-08-18 | 1934-02-17 | 1934-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-08-18 | 1938-02-17 | 1938-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-08-18 | 1942-02-17 | 1942-08-19 | $7700.00 | Window Closed / Lapsed |