Patent US3356141A successfully refreshed from Google Patents.
US3356141A
Expired / Lapsed
US
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Oili well hold-down tool
Assignee: ARROW OIL TOOLS Co Inc
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Filing: 1965-03-12
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Granted: 1967-12-05
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Expires: 1985-03-12
Abstract
No abstract record available.
Inventors
- 👤 Albert K Kline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:05
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/129; E21B33/1291; E21B33/1292
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
AN ACTUATING MECHANISM FOR A WELL TOOL, INCLUDING, A MANDREL IN THE FORM OF A CYLINDER MOUNTED ON THE LOWER END OF A RUN-IN STRING OF TUBING, A WELL TOOL WITH AN ELONGATED STRUCTURE MOVABLE ALONG THE OUTSIDE OF THE MANDREL, A STRUCTURE MOUNTED ON THE OUTSIDE OF THE MANDREL TO SUPPORT SLIPS, AND A CONE STRUCTURE MOUNTED ON THE ELONGATED STRUCTURE TO ENGAGE THE SLIPS SUPPORTED BY THE STRUCTURE WHICH IS MOUNTED ON THE MANDREL, SAID SLIPS SUPPORTED BY THE STRUCTURE MOUNTED ON THE OUTSIDE OF THE MANDREL HAVING RELATIVE DIMENSIONS BETWEEN THE SLIPS AND THEIR SUPPORTING STRUCTURE SO THAT THE MOVEMENT OF THE MANDREL AND SUPPORTING STRUCTURE AWAY FROM THE CONE WILL SEQUENTIALLY APPLY THE FORCE OF THE MANDREL MOVEMENT TO THE SLIPS IN DISENGAGING THE SLIPS FROM THE WELL WALL.
Claim 2
Dependent Claim
133 words
AN ACTUATING MECHANISM FOR A WELL TOOL, INCLUDING, A MANDREL IN THE FORM OF A CYLINDER MOUNTED ON THE LOWER END OF A RUN-IN STRING OF TUBING, A WELL TOOL WITH AN ELONGATED STRUCTURE MOVABLE ALONG THE OUTSIDE OF THE MANDREL, A STRUCTURE MOUNTED ON THE OUTSIDE OF THE MANDREL TO SUPPORT SLIPS, AND A CONE STRUCTURE MOUNTED ON THE ELONGATED STRUCTURE TO ENGAGE THE SLIPS SUPPORTED BY THE STRUCTURE WHICH IS MOUNTED ON THE MANDREL, SAID SLIPS SUPPORTED BY THE STRUCTURE MOUNTED ON THE OUTSIDE OF THE MANDREL HAVING RELATIVE DIMENSIONS BETWEEN THE SLIPS AND THEIR SUPPORTING STRUCTURE SO THAT THE MOVEMENT OF THE MANDREL AND SUPPORTING STRUCTURE AWAY FROM THE CONE WILL SEQUENTIALLY APPLY THE FORCE OF THE MANDREL MOVEMENT TO THE SLIPS IN DISENGAGING THE SLIPS FROM THE WELL WALL.
References Cited (Backward Citations)
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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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |