Patent US2481094A successfully refreshed from Google Patents.
US2481094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal chuck
Assignee: Timken Co
•
Filing: 1945-02-05
•
Granted: 1949-09-06
•
Expires: 1965-02-05
Abstract
No abstract record available.
Inventors
- 👤 Herbert C Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:50
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/40; B23B31/4006; B23B31/02; B23B31/10; B23B31/12; B23B31/14; B23B31/142; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/24; Y10T279/247
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |