US3259191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Subsea blowout prevention and landing apparatus
Assignee: Individual
•
Filing: 1958-05-05
•
Granted: 1966-07-05
•
Expires: 1978-05-05
Abstract
No abstract record available.
Inventors
- 👤 Ross A Mcclintcck
- 👤 Raymond E Thompson
- 👤 Kenneth E Waggener
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:46
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/02; E21B33/03; E21B33/035
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN WELL HEAD APPARATUS ADAPTED TO COOPERATE WITH A WELL CASING AND INSTALLING MEANS: A PRODUCTION HEAD ASSEMBLY, SAID PRODUCTION HEAD ASSEMBLY INCLUDING MEANS FOR PRODUCING WELL FLUIDS AND INCLUDING AN UPPER PART HAVING MEANS FOR DETACHABLE ENGAGMEMNT BY SAID INSTALLING MEANS; AND REMOTELY CONTROLLABLE RELEASABLE LATCHING MEANS FOR DETACHABLY CONNECTING SAID PRODUCTON HEAD TO A COOPERATING PART OF SAID WELL CASING.
Claim 2
Dependent Claim
62 words
IN WELL HEAD APPARATUS ADAPTED TO COOPERATE WITH A WELL CASING AND INSTALLING MEANS: A PRODUCTION HEAD ASSEMBLY, SAID PRODUCTION HEAD ASSEMBLY INCLUDING MEANS FOR PRODUCING WELL FLUIDS AND INCLUDING AN UPPER PART HAVING MEANS FOR DETACHABLE ENGAGMEMNT BY SAID INSTALLING MEANS; AND REMOTELY CONTROLLABLE RELEASABLE LATCHING MEANS FOR DETACHABLY CONNECTING SAID PRODUCTON HEAD TO A COOPERATING PART OF SAID WELL CASING.
References Cited (Backward Citations)
US1584969A
Cited
US2211845A
Cited
US2149327A
Cited
US2092261A
Cited
US2096565A
Cited
US2118094A
Cited
US2134044A
Cited
US2684575A
Cited
US2660248A
Cited
US2726063A
Cited
US2766829A
Cited
US2895005A
Cited
US2909359A
Cited
DE1026706B
Cited
US2859823A
Cited
US2962096A
Cited
US2965174A
Cited
US3056614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |