US3353364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underwater well enclosing capsule and service chamber
Assignee: General Dynamics Corp
•
Filing: 1962-04-26
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Granted: 1967-11-21
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Expires: 1982-04-26
Abstract
No abstract record available.
Inventors
- 👤 John E Blanding
- 👤 Edmund C Trageser
- 👤 Harrington James Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:12
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/02; E21B33/03; E21B33/035; E21B33/037; B; B63; B63C; B63C11/00; B63C11/34; B63C11/44; E21B7/00; E21B7/12; E21B43/00; E21B43/34; E21B43/36
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
124 words
APPARATUS FOR ENCLOSING AN UNDERWATER WELLHEAD, COMPRISING A LOWER CAPSULE PORTION HAVING AN UPPER RIM, AN UPPER CAPSULE PORTION HAVING A LOWER RIM REMOVABLY ATTACHABLE IN SEALED RELATION TO SAID UPPER RIM, WHEREBY SAID PORTIONS FORM A HOLLOW WATERTIGHT CAPSULE, BIASING MEANS MOUNTED ON ONE OF SAID RIMS AND ADAPTED TO EXERT A FORCE AGAINST ONE SIDE OF THE OTHER OF SAID RIMS, BRACKET MEANS MOUNTED ON SAID ONE OF SAID RIMS AND CO-OPERATING WITH THE OTHER SIDE OF THE OTHER OF SAID RIMS, AND CHAFING MEANS MOUNTED ON SAID OTHER OF SAID RIMS AND INTERPOSED BETWEEN SAID OTHER OF SAID RIMS AND SAID BRACKET MEANS, SAID CHAFING MEANS, SAID BRACKET MEANS AND SAID BIASING MEANS CO-OPERATING TO GUIDE SAID RIMS INTO SAID RELATION.
Claim 2
Dependent Claim
124 words
APPARATUS FOR ENCLOSING AN UNDERWATER WELLHEAD, COMPRISING A LOWER CAPSULE PORTION HAVING AN UPPER RIM, AN UPPER CAPSULE PORTION HAVING A LOWER RIM REMOVABLY ATTACHABLE IN SEALED RELATION TO SAID UPPER RIM, WHEREBY SAID PORTIONS FORM A HOLLOW WATERTIGHT CAPSULE, BIASING MEANS MOUNTED ON ONE OF SAID RIMS AND ADAPTED TO EXERT A FORCE AGAINST ONE SIDE OF THE OTHER OF SAID RIMS, BRACKET MEANS MOUNTED ON SAID ONE OF SAID RIMS AND CO-OPERATING WITH THE OTHER SIDE OF THE OTHER OF SAID RIMS, AND CHAFING MEANS MOUNTED ON SAID OTHER OF SAID RIMS AND INTERPOSED BETWEEN SAID OTHER OF SAID RIMS AND SAID BRACKET MEANS, SAID CHAFING MEANS, SAID BRACKET MEANS AND SAID BIASING MEANS CO-OPERATING TO GUIDE SAID RIMS INTO SAID RELATION.
Claim 3
Dependent Claim
98 words
A SERVICE CHAMBER COMPRISING A HOLLOW WATERTIGHT UPPER COMPARTMENT, A LOWER DIVING-BELL COMPARTMENT, ANNULAR SEALING MEANS FORMED ABOUT THE INTERIOR OF SAID LOWER COMPARTMENT, WHEREBY SAID LOWER COMPARTMENT MAY BE SEALED TO A SEALING NECK INSERTED THEREWITHIN, A PAIR OF RELATIVELY MOVABLE JAWS CONNECTED TO SAID CHAMBER, AND BIASING MEANS FOR URGING SAID JAWS INTO CO-OPERATIVE RELATIONSHIP, SAID JAWS BEING ADAPTED TO CO-OPERATE WITH EACH OTHER AND WITH AN ELONGATED MEMBER EXTENDING BETWEEN AN UNDERWATER WELL AND THE SURFACE OF THE WATER FOR GUIDING SAID CHAMBER DURING MOVEMENT FROM THE SURFACE OF THE WATER TO AN UNDERWATER WELL.
Claim 4
Dependent Claim
98 words
A SERVICE CHAMBER COMPRISING A HOLLOW WATERTIGHT UPPER COMPARTMENT, A LOWER DIVING-BELL COMPARTMENT, ANNULAR SEALING MEANS FORMED ABOUT THE INTERIOR OF SAID LOWER COMPARTMENT, WHEREBY SAID LOWER COMPARTMENT MAY BE SEALED TO A SEALING NECK INSERTED THEREWITHIN, A PAIR OF RELATIVELY MOVABLE JAWS CONNECTED TO SAID CHAMBER, AND BIASING MEANS FOR URGING SAID JAWS INTO CO-OPERATIVE RELATIONSHIP, SAID JAWS BEING ADAPTED TO CO-OPERATE WITH EACH OTHER AND WITH AN ELONGATED MEMBER EXTENDING BETWEEN AN UNDERWATER WELL AND THE SURFACE OF THE WATER FOR GUIDING SAID CHAMBER DURING MOVEMENT FROM THE SURFACE OF THE WATER TO AN UNDERWATER WELL.
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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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |