US3282347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well bore bridge apparatus
Assignee: Baker Hughes Oilfield Operations LLC
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Filing: 1964-03-09
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Granted: 1966-11-01
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Expires: 1984-03-09
Abstract
No abstract record available.
Inventors
- 👤 David V Chenoweth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:19
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/13; E21B33/134; E21B33/136
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN A BRIDGE APPARATUS ADAPTED TO BE LOWERED AND SET IN A WELL BORE: A BODY; A MALLEABLE DEFORMABLE BRIDGING MEMBER SURROUNDING SAID BODY AND COMPRISING A PLURALITY OF LONGITUDINALLY EXTENDINGT RIBS; MEANS FOR RELATIVELY MOVING THE UPPER AND LOWER ENDS OF SAID RIBS TOWARD EACH OTHER TO EXPAND THE INTERMEDIATE PORTIONS OF SAID RIBS OUTWARDLY OF SAID BODY AND TO STRESS SAID RIBS BEYOND THEIR YIELD POINT; AND MEANS FOR PREVENTING MOVEMENT OF SAID UPPER AND LOWER ENDS OF SAID RIBS AWAY FROM EACH OTHER TO RETAIN SAID INTERMEDIATE PORTIONS EXPANDED OUTWARDLY.
Claim 2
Dependent Claim
93 words
IN A BRIDGE APPARATUS ADAPTED TO BE LOWERED AND SET IN A WELL BORE: A BODY; A MALLEABLE DEFORMABLE BRIDGING MEMBER SURROUNDING SAID BODY AND COMPRISING A PLURALITY OF LONGITUDINALLY EXTENDINGT RIBS; MEANS FOR RELATIVELY MOVING THE UPPER AND LOWER ENDS OF SAID RIBS TOWARD EACH OTHER TO EXPAND THE INTERMEDIATE PORTIONS OF SAID RIBS OUTWARDLY OF SAID BODY AND TO STRESS SAID RIBS BEYOND THEIR YIELD POINT; AND MEANS FOR PREVENTING MOVEMENT OF SAID UPPER AND LOWER ENDS OF SAID RIBS AWAY FROM EACH OTHER TO RETAIN SAID INTERMEDIATE PORTIONS EXPANDED OUTWARDLY.
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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |