Patent US3168143A successfully refreshed from Google Patents.
US3168143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guide cable system
Assignee: Shell USA Inc
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Filing: 1962-06-28
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Granted: 1965-02-02
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Expires: 1982-06-28
Abstract
No abstract record available.
Inventors
- 👤 Bruce J Watkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:59
CPC Classifications
E; E21; E21B; E21B41/00; E21B41/10; E21B41/04; E21B7/00; E21B7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
APPARATUS FOR GUIDING EQUIPMENT FROM AN OPERATIONAL BASE FLOATING ON THE SURFACE OF A BODY OF WATER TO AN UNDERWATER INSTALLATION POSITIONED ON THE OCEAN FLOOR HAVING AT LEAST ONE ELONGATED SUBSTANTIALLY VERTICAL TUBULAR MEMBER AFFIXED THERETO, SAID APPARATUS COMPRISING (1) GUIDE CABLE MEANS EXTENDING BETWEEN SAID FLOATING OPERATIONAL BASE AND THE UNDERWATER INSTALLATION, SAID GUIDE CABLE MEANS HAVING A SUBSTANTIALLY UNINTERRUPTED ELONGATED OUTER SURFACE BETWEEN THE FLOATING BASE AND THE INTERIOR OF SAID TUBULAR MEMBER OF SAID UNDERWATER INSTALLATION, (2) THE UPPER END OF SAID GUIDE CABLE MEANS BEING SECURED TO SAID FLOATING OPERATIONAL BASE, (3) THE LOWER PORTION OF SAID GUIDE CABLE MEANS EXTENDING DOWNWARDLY INTO SAID ELONGATED SUBSTANTIAL-
Claim 2
Dependent Claim
111 words
APPARATUS FOR GUIDING EQUIPMENT FROM AN OPERATIONAL BASE FLOATING ON THE SURFACE OF A BODY OF WATER TO AN UNDERWATER INSTALLATION POSITIONED ON THE OCEAN FLOOR HAVING AT LEAST ONE ELONGATED SUBSTANTIALLY VERTICAL TUBULAR MEMBER AFFIXED THERETO, SAID APPARATUS COMPRISING (1) GUIDE CABLE MEANS EXTENDING BETWEEN SAID FLOATING OPERATIONAL BASE AND THE UNDERWATER INSTALLATION, SAID GUIDE CABLE MEANS HAVING A SUBSTANTIALLY UNINTERRUPTED ELONGATED OUTER SURFACE BETWEEN THE FLOATING BASE AND THE INTERIOR OF SAID TUBULAR MEMBER OF SAID UNDERWATER INSTALLATION, (2) THE UPPER END OF SAID GUIDE CABLE MEANS BEING SECURED TO SAID FLOATING OPERATIONAL BASE, (3) THE LOWER PORTION OF SAID GUIDE CABLE MEANS EXTENDING DOWNWARDLY INTO SAID ELONGATED SUBSTANTIAL-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-02 | 1968-08-03 | 1969-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-02 | 1972-08-03 | 1973-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-02 | 1976-08-03 | 1977-02-02 | $7700.00 | Window Closed / Lapsed |