US2923192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic power gripping apparatus
Assignee: FLUID POWER Corp
•
Filing: 1958-01-15
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Granted: 1960-02-02
•
Expires: 1978-01-15
Abstract
No abstract record available.
Inventors
- 👤 Jesse S Montgomery
- 👤 William C Hutton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:33
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/16; E21B19/161; E21B19/163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2649283A
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US2691314A
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US2639894A
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US2737839A
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US2720803A
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US2760392A
Cited
US2850929A
Cited
US2780950A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |