US2602439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diamond holding tool for cutting concave grinding wheel face
Assignee: WALTER MUENCH Inc
•
Filing: 1947-07-02
•
Granted: 1952-07-08
•
Expires: 1967-07-02
Abstract
No abstract record available.
Inventors
- 👤 Muench Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:24
CPC Classifications
B; B24; B24B; B24B53/00; B24B53/06; B24B53/065
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1585705A
Cited
US1585706A
Cited
US1734914A
Cited
US1826219A
Cited
US2293749A
Cited
US2309924A
Cited
GB559945A
Cited
US2442627A
Cited
GB574427A
Cited
US2366623A
Cited
US2404148A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |