US3587506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods and apparatus for manipulating submerged or unsubmerged objects
Assignee: Individual
•
Filing: 1968-12-23
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Granted: 1971-06-28
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Expires: 1988-12-23
Abstract
Abstract A METHOD AND APPARATUS FOR MANIPULATING AN OBJECT, INCLUDING THE USE OF A CHUCK POSITIONED IN ENGAGEMENT WITH THE OBJECT. COMPRESSED GAS IS INTRODUCED BY CONTROL VALVES THROUGH CONDUITS TO PURGE THE INTERIOR OF THE CONDUITS AND THE CHUCK. THE PRESSURE IN THE INTERIOR OF THE CHUCK IS THEN RELIEVED OR REDUCED IN ORDER TO CREATE A PRESSURE DIFFERENTIAL ACROSS THE CHUCK SUFFICIENT TO SECURE THE CHUCK TO THE OBJECT THE CHUCK SECURED TO THE OBJECT IS THEN MOVED BY CONVENTIONAL MANIPULATING EQUIPMENT CONNECTED TO THE CHUCK.
Inventors
- 👤 Sheldon Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:31
CPC Classifications
B; B63; B63C; B63C7/00; B63C7/16; B63C7/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |