Patent US2764855A successfully refreshed from Google Patents.
US2764855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fixture for positioning tool relative to grinding head
Assignee: Individual
•
Filing: 1953-01-29
•
Granted: 1956-10-02
•
Expires: 1973-01-29
Abstract
No abstract record available.
Inventors
- 👤 Dawson Orlie Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:33
CPC Classifications
B; B24; B24B; B24B41/00; B24B41/06; B24B41/066
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1402473A
Cited
US1862809A
Cited
US2413436A
Cited
US2498701A
Cited
US2584483A
Cited
US2600432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |