Patent US2632121A successfully refreshed from Google Patents.
US2632121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibratory electric motor and tool driven thereby
Assignee: Syncro Corp
•
Filing: 1949-08-08
•
Granted: 1953-03-17
•
Expires: 1969-08-08
Abstract
No abstract record available.
Inventors
- 👤 Carmichael Thomas Frazer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:29
CPC Classifications
B; B24; B24B; B24B23/00; B24B23/04; B24B23/046; H; H02; H02K; H02K33/00; H02K33/02; H02K33/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US244347A
Cited
US309573A
Cited
US1433962A
Cited
US1688966A
Cited
USRE19817E
Cited
US1522260A
Cited
US1479834A
Cited
US2076195A
Cited
US2280610A
Cited
US2238390A
Cited
US2399977A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |