US2579796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor operated chuck
Assignee: Union Manufacturing Co
•
Filing: 1948-01-29
•
Granted: 1951-12-25
•
Expires: 1968-01-29
Abstract
No abstract record available.
Inventors
- 👤 Albert E Church
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:23
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/24; B23B31/28; Y; Y10; Y10T; Y10T279/00; Y10T279/19; Y10T279/1926
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) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |