Patent US2934804A successfully refreshed from Google Patents.
US2934804A
Expired / Lapsed
US
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Releasable gripper for jack assemblies
Assignee: De Long Corp
•
Filing: 1955-03-17
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Granted: 1960-05-03
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Expires: 1975-03-17
Abstract
No abstract record available.
Inventors
- 👤 George E Suderow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:56
CPC Classifications
E; E02; E02B; E02B17/00; E02B17/04; E02B17/08; E02B17/0836; E02B17/0845; E04; E04G; E04G21/00; E04G21/14; E04G21/16; E04G21/163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2322739A
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US2323091A
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US2382958A
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US2396413A
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US2534527A
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US2755869A
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US2715432A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |