Patent US3290608A successfully refreshed from Google Patents.
Patent US2284069A successfully refreshed from Google Patents.
Patent US3265599A successfully refreshed from Google Patents.
Patent US2964887A successfully refreshed from Google Patents.
US2964887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for polishing
Assignee: FIN DEL Co
•
Filing: 1958-02-24
•
Granted: 1960-12-20
•
Expires: 1978-02-24
Abstract
No abstract record available.
Inventors
- 👤 Gilbert H Orozco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:26
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/02; B24D13/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US269688A
Cited
US2767524A
Cited
US968431A
Cited
US1377598A
Cited
US1753201A
Cited
US2017925A
Cited
US2104925A
Cited
US2110494A
Cited
US2197661A
Cited
US2168871A
Cited
US2462741A
Cited
US2506288A
Cited
US2479941A
Cited
US2643493A
Cited
US2704916A
Cited
US2645065A
Cited
US2755608A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |