US3276746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilizing device
Assignee: PRICE-PFISTER BRASS Manufacturing Co 13500 PAXTON ST PACOIMA CA 91331 A CORP
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Filing: 1964-10-09
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Granted: 1966-10-04
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Expires: 1984-10-09
Abstract
No abstract record available.
Inventors
- 👤 Berne Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:17
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/08; E21B19/09; C; C08; C08F; C08F2/00; C08F2/36; C08F20/00; C08F20/02; C08F20/42; C08F20/44; E21B7/00; E21B7/12; E21B7/128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
IN AN APPARATUS FOR UNDERWATER DRILLING HAVING A TOOL AND OPERATING FROM A FLOATING BASE, A DEVICE FOR STABILIZING THE WEIGHT ON SAID TOOL, COMPRISING, IN COMBINATION, HANDLING MEANS ON SAID FLOATING BASE, FLEXIBLE TUBE MEANS FOR DRILLING, HELD AT ONE END THEREOF BY SAID HANDLING MEANS, A JACK ARRANGED ON THE FLOATING BASE, MEANS FOR FEEDING SAID JACK BY FLUID UNDER PRESSURE, A FRAME SUPPORTED BY THE PISTON OF SAID JACK, A SLIDE GUIDE FIXED ON THE FLOATING BASE, FIRST PULLEY MEANS BEING CARRIED BY SAID FRAME, SAID FLEXIBLE TUBE MEANS PASSING OVER SAID FIRST PULLEY MEANS, SAID FRAME BEING SUBSTANTIALLY VERTICALLY MOVABLE UPWARD AND DOWNWARD, ALONG SAID SLIDE GUIDE WHICH SLIDE GUIDE CARRIES SECOND PULLEY MEANS, A GUIDE-ROPE, AND A MOORING-MASS, SAID GUIDE-ROPE PASSING OVER SAID SECOND PULLEY MEANS, HAVING ONE ENF FIXED TO SAID MOORING-MASS AND THE OTHER END FASTENED TO THE FLOATING BASE, AND MEANS FOR GUIDING THE GUIDE-ROPE LENGTH BETWEEN THE SECOND PULLEY MEANS AND THE FASTENING POINT OF THE GUIDE-ROPE TO THE FLOATING BASE, WHEREBY ONLY A PART OF SAID LENGTH IS MOVABLE WITH SAID FRAME.
Claim 2
Dependent Claim
182 words
IN AN APPARATUS FOR UNDERWATER DRILLING HAVING A TOOL AND OPERATING FROM A FLOATING BASE, A DEVICE FOR STABILIZING THE WEIGHT ON SAID TOOL, COMPRISING, IN COMBINATION, HANDLING MEANS ON SAID FLOATING BASE, FLEXIBLE TUBE MEANS FOR DRILLING, HELD AT ONE END THEREOF BY SAID HANDLING MEANS, A JACK ARRANGED ON THE FLOATING BASE, MEANS FOR FEEDING SAID JACK BY FLUID UNDER PRESSURE, A FRAME SUPPORTED BY THE PISTON OF SAID JACK, A SLIDE GUIDE FIXED ON THE FLOATING BASE, FIRST PULLEY MEANS BEING CARRIED BY SAID FRAME, SAID FLEXIBLE TUBE MEANS PASSING OVER SAID FIRST PULLEY MEANS, SAID FRAME BEING SUBSTANTIALLY VERTICALLY MOVABLE UPWARD AND DOWNWARD, ALONG SAID SLIDE GUIDE WHICH SLIDE GUIDE CARRIES SECOND PULLEY MEANS, A GUIDE-ROPE, AND A MOORING-MASS, SAID GUIDE-ROPE PASSING OVER SAID SECOND PULLEY MEANS, HAVING ONE ENF FIXED TO SAID MOORING-MASS AND THE OTHER END FASTENED TO THE FLOATING BASE, AND MEANS FOR GUIDING THE GUIDE-ROPE LENGTH BETWEEN THE SECOND PULLEY MEANS AND THE FASTENING POINT OF THE GUIDE-ROPE TO THE FLOATING BASE, WHEREBY ONLY A PART OF SAID LENGTH IS MOVABLE WITH SAID FRAME.
References Cited (Backward Citations)
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Cited
US3088710A
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US3204708A
Cited
US3158206A
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US3208728A
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US3189196A
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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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |