US2803157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holding device having screw and hydraulic pressure-applying means sequentially exerted
Assignee: Individual
•
Filing: 1952-07-30
•
Granted: 1957-08-20
•
Expires: 1972-07-30
Abstract
No abstract record available.
Inventors
- 👤 Seitter Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:31
CPC Classifications
B; B25; B25B; B25B1/00; B25B1/06; B25B1/10; B25B1/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR965788A
Cited
US1018035A
Cited
US2238583A
Cited
US2345401A
Cited
GB546518A
Cited
US2327920A
Cited
US2402411A
Cited
US2492338A
Cited
US2509991A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |