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US2509991A
Expired / Lapsed
US
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Fluid-pressure-operated vise using hydraulic lock and screw-actuated ram for clamping and having a fluid by-pass for quick separation of jaws
Assignee: Individual
•
Filing: 1946-07-13
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Granted: 1950-05-30
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Expires: 1966-07-13
Abstract
No abstract record available.
Inventors
- 👤 Kurtiss P Schenke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:20
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)
USRE21112E
Cited
GB190016650A
Cited
US769181A
Cited
US976285A
Cited
US1659157A
Cited
US2134780A
Cited
US2107970A
Cited
US2146403A
Cited
US2343901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-29 | 1953-11-28 | 1954-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-29 | 1957-11-28 | 1958-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-29 | 1961-11-28 | 1962-05-30 | $7700.00 | Window Closed / Lapsed |