US2573403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid operated chuck
Assignee: Union Manufacturing Co
•
Filing: 1948-08-02
•
Granted: 1951-10-30
•
Expires: 1968-08-02
Abstract
No abstract record available.
Inventors
- 👤 Albert E Church
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:49
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/16; B23B31/16195; B23B31/16216; B23B31/1622; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1274; Y10T279/1291; Y10T279/17; Y10T279/17666
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1925109A
Cited
US1139419A
Cited
US1670138A
Cited
US1968700A
Cited
US2188095A
Cited
US2418082A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |