Patent US3166127A successfully refreshed from Google Patents.
US3166127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well packer apparatus
Assignee: BROWN
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Filing: 1962-01-19
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Granted: 1965-01-19
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Expires: 1982-01-19
Abstract
No abstract record available.
Inventors
- 👤 Cicero C Brown
- 👤 Chudleigh B Cochran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:01
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/122
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
227 words
THE COMBINATION WITH A WELL TOOL HAVING ANCHORING MEANS FOR ANCHORING THE SAME WITHIN A WELL PIPE, OF A PRESSURE-ACTUATED SETTING MEANS FOR EFFECTING SETTING OF SAID ANCHORING MEANS WHICH COMPRISES TWO PARTS MOVABLE RELATIVE TO EACH OTHER, SAID SETTING MEANS INCLUDING, A CYLINDER AND A PISTON MOVABLE RELATIE TO EACH OTHER, MEANS FOR CONDUCTING PRESSURE FLUID INTO THE CYLINDER TO MOVE THE PISTON AND CYLINDER RELATIVE TO EACH OTHER, MEANS CONNECTING ONE PART OF SAID ANCHORING MEANS TO THE CYLINDER AND THE OTHER PART TO THE PISTON, WHEREBY MOVEMENT OF THE CYLINDER AND PISTON RELATIVE TO EACH OTHER IN ONE DIRECTION WILL SET SAID ANCHORING MEANS, A LOCKING ROD, A GRIPPING MEMBER ENGAGEABLE WITH SAID ROD, THE LOCKING ROD AND GRIPPING MEMBER BEING SECURED ONE TO THE CYLINDER AND THE OTHER TO THE PISTON, SAID GRIPPING MEMBER HAVING MEANS CONSTRUCTED TO PERMIT MOVEMENT OF THE ROD AND MEMBER IN THE DIRECTION WHICH THESE PARTS MOVE WHEN THE PISTON AND CYLINDER MOVE TO SET THE ANCHORING MEANS, SAID MEANS AND SAID GRIPPING MEMBER PREVENTING RELATIVE MOVEMENT OF SAID ROD AND GRIPPING MEMBER IN AN OPPOSITE DIRECTION WHICH WOULD PERMIT MOVEMENT OF THE PISTON AND CYLINDER RELATIVE TO EACH OTHER IN A DIRECTION TO UNSET THE ANCHORING MEANS, WHEREBY SAID LOCKING ROD AND GRIPPING MEMBER MECHANICALLY LOCK THE PISTON AND CYLINDER TO PREVENT UNSETTING OF THE ANCHORING MEANS.
Claim 2
Dependent Claim
227 words
THE COMBINATION WITH A WELL TOOL HAVING ANCHORING MEANS FOR ANCHORING THE SAME WITHIN A WELL PIPE, OF A PRESSURE-ACTUATED SETTING MEANS FOR EFFECTING SETTING OF SAID ANCHORING MEANS WHICH COMPRISES TWO PARTS MOVABLE RELATIVE TO EACH OTHER, SAID SETTING MEANS INCLUDING, A CYLINDER AND A PISTON MOVABLE RELATIE TO EACH OTHER, MEANS FOR CONDUCTING PRESSURE FLUID INTO THE CYLINDER TO MOVE THE PISTON AND CYLINDER RELATIVE TO EACH OTHER, MEANS CONNECTING ONE PART OF SAID ANCHORING MEANS TO THE CYLINDER AND THE OTHER PART TO THE PISTON, WHEREBY MOVEMENT OF THE CYLINDER AND PISTON RELATIVE TO EACH OTHER IN ONE DIRECTION WILL SET SAID ANCHORING MEANS, A LOCKING ROD, A GRIPPING MEMBER ENGAGEABLE WITH SAID ROD, THE LOCKING ROD AND GRIPPING MEMBER BEING SECURED ONE TO THE CYLINDER AND THE OTHER TO THE PISTON, SAID GRIPPING MEMBER HAVING MEANS CONSTRUCTED TO PERMIT MOVEMENT OF THE ROD AND MEMBER IN THE DIRECTION WHICH THESE PARTS MOVE WHEN THE PISTON AND CYLINDER MOVE TO SET THE ANCHORING MEANS, SAID MEANS AND SAID GRIPPING MEMBER PREVENTING RELATIVE MOVEMENT OF SAID ROD AND GRIPPING MEMBER IN AN OPPOSITE DIRECTION WHICH WOULD PERMIT MOVEMENT OF THE PISTON AND CYLINDER RELATIVE TO EACH OTHER IN A DIRECTION TO UNSET THE ANCHORING MEANS, WHEREBY SAID LOCKING ROD AND GRIPPING MEMBER MECHANICALLY LOCK THE PISTON AND CYLINDER TO PREVENT UNSETTING OF THE ANCHORING MEANS.
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) | 1968-01-19 | 1968-07-20 | 1969-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-19 | 1972-07-20 | 1973-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-19 | 1976-07-20 | 1977-01-19 | $7700.00 | Window Closed / Lapsed |