US2560967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for grinding gears and gear cutters
Assignee: Thompson Grinder Co
•
Filing: 1948-12-14
•
Granted: 1951-07-17
•
Expires: 1968-12-14
Abstract
No abstract record available.
Inventors
- 👤 Lohutko Floryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:14
CPC Classifications
B; B23; B23F; B23F23/00; B23F23/006; B23F23/12; B23F5/00; B23F5/02; B23F5/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US686599A
Cited
US1642554A
Cited
US1989651A
Cited
US1917504A
Cited
GB508744A
Cited
US2249251A
Cited
US2385650A
Cited
US2449354A
Cited
US2482800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |