Patent US2773337A successfully refreshed from Google Patents.
US2773337A
Expired / Lapsed
US
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Grinding device
Assignee: Individual
•
Filing: 1954-07-26
•
Granted: 1956-12-11
•
Expires: 1974-07-26
Abstract
No abstract record available.
Inventors
- 👤 Marchi Arturo De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:53
CPC Classifications
B; B24; B24B; B24B55/00; B24B55/06; B24B55/10; B24B55/102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1984205A
Cited
US1977088A
Cited
US1980491A
Cited
US2006108A
Cited
US2104436A
Cited
US2097655A
Cited
US2219444A
Cited
US2668968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |