US2635394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Buffing machine
Assignee: Individual
•
Filing: 1948-04-23
•
Granted: 1953-04-21
•
Expires: 1968-04-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Forrest E Wing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:55
CPC Classifications
B; B24; B24B; B24B27/00; B24B27/0023
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1193453A
Cited
US713256A
Cited
US746768A
Cited
US732767A
Cited
US816137A
Cited
US811454A
Cited
US1090577A
Cited
US1072617A
Cited
US1190698A
Cited
US1609564A
Cited
US1731095A
Cited
US1941501A
Cited
US1951008A
Cited
GB410042A
Cited
US2142829A
Cited
US2180570A
Cited
GB543483A
Cited
US2344475A
Cited
US2344476A
Cited
US2352840A
Cited
US2386649A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |