US3336759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of underwater support structures
Assignee: ConocoPhillips Co
•
Filing: 1965-01-04
•
Granted: 1967-08-22
•
Expires: 1985-01-04
Abstract
No abstract record available.
Inventors
- 👤 Garvin W Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:38
CPC Classifications
E; E02; E02B; E02B17/00; E02B2017/0052; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0591
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A METHOD OF REMOVING UNDERWATER SUPPORT DEVICES COMPRISING: (A) ATTACHING A HOLLOW ANNULAR RING TO THE PERIPHERY OF THE LEGS OF AN UNDERWATER PILING-ENCOMPASSING JACKET ASSEMBLY, (B) FILLING SAID HOLLOW ANNULAR RING WITH AN EXPLOSIVE CHARGE,
Claim 2
Independent Claim
36 words
A METHOD OF REMOVING UNDERWATER SUPPORT DEVICES COMPRISING: (A) ATTACHING A HOLLOW ANNULAR RING TO THE PERIPHERY OF THE LEGS OF AN UNDERWATER PILING-ENCOMPASSING JACKET ASSEMBLY, (B) FILLING SAID HOLLOW ANNULAR RING WITH AN EXPLOSIVE CHARGE,
References Cited (Backward Citations)
US2587243A
Cited
US2587244A
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US2699721A
Cited
US2745345A
Cited
US2513233A
Cited
US3244204A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |