Patent US2407058A successfully refreshed from Google Patents.
Patent US3100536A successfully refreshed from Google Patents.
US3100536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anchoring and sealing device
Assignee: Otis Engineering Corp
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Filing: 1960-04-06
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Granted: 1963-08-13
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Expires: 1980-04-06
Abstract
No abstract record available.
Inventors
- 👤 Jack W Tamplen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:31
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A WELL TOOL ASSEMBLY POSITIONABLE IN A WELL FLOW CONDUCTOR HAVING A LATERAL PORT, INCLUDING: A WELL TOOL; AND A PAIR OF ANCHORING AND SEALING DEVICES CONNECTED TO SAID WELL TOOL AT OPPOSITE ENDS OF SAID WELL TOOL, SAID WELL TOOL ASSEMBLY BEING POSITIONABLE IN THE WELL FLOW CONDUCTOR WITH SAID ANCHORING AND SEALING DEVICES DISPOSED ON OPPOSITE SIDES OF SAID LATERAL PORT, EACH OF SAID ANCHORING AND SEALING DEVICES HAVING A TUBULAR EXPANDABLE MEANS AND AN EXPANDER TELESCOPABLE INWARDLY RELATIVE TO THE EXPANDABLE MEANS AND ENGAGEABLE THEREWITH FOR EXPANDING SAID EXPANDABLE MEANS INTO ANCHORING AND SEALING ENGAGEMENT WITH THE WELL FLOW CONDUCTOR, SAID EXPANDERS OF SAID ANCHORING AD SEALING DEVICES BEING LONGITUDINALLY MOVABLE IN OPPOSITE DIRECTIONS TOWARD EXPANDING ENGAGEMENT WITH THEIR ASSOCIATED EXPANDABLE MEANS; AND FLUID PRESSURE PISTON AND CYLINDER MEANS ON SAID ANCHORING AND SEALING DEVICES AND HAVING COMMUNICATION WITH THE EXTERIOR OF SAID DEVICES FOR CONDUCTING FLUID PRESSURE TO SAID PISTON AND CYLINDER MEANS FOR MOVING SAID EXPANDERS LONGITUDINALLY INTO EXPANDING ENGAGEMENT WITH THEIR ASSOCIATED EXPANDABLE MEANS.
Claim 2
Dependent Claim
170 words
A WELL TOOL ASSEMBLY POSITIONABLE IN A WELL FLOW CONDUCTOR HAVING A LATERAL PORT, INCLUDING: A WELL TOOL; AND A PAIR OF ANCHORING AND SEALING DEVICES CONNECTED TO SAID WELL TOOL AT OPPOSITE ENDS OF SAID WELL TOOL, SAID WELL TOOL ASSEMBLY BEING POSITIONABLE IN THE WELL FLOW CONDUCTOR WITH SAID ANCHORING AND SEALING DEVICES DISPOSED ON OPPOSITE SIDES OF SAID LATERAL PORT, EACH OF SAID ANCHORING AND SEALING DEVICES HAVING A TUBULAR EXPANDABLE MEANS AND AN EXPANDER TELESCOPABLE INWARDLY RELATIVE TO THE EXPANDABLE MEANS AND ENGAGEABLE THEREWITH FOR EXPANDING SAID EXPANDABLE MEANS INTO ANCHORING AND SEALING ENGAGEMENT WITH THE WELL FLOW CONDUCTOR, SAID EXPANDERS OF SAID ANCHORING AD SEALING DEVICES BEING LONGITUDINALLY MOVABLE IN OPPOSITE DIRECTIONS TOWARD EXPANDING ENGAGEMENT WITH THEIR ASSOCIATED EXPANDABLE MEANS; AND FLUID PRESSURE PISTON AND CYLINDER MEANS ON SAID ANCHORING AND SEALING DEVICES AND HAVING COMMUNICATION WITH THE EXTERIOR OF SAID DEVICES FOR CONDUCTING FLUID PRESSURE TO SAID PISTON AND CYLINDER MEANS FOR MOVING SAID EXPANDERS LONGITUDINALLY INTO EXPANDING ENGAGEMENT WITH THEIR ASSOCIATED EXPANDABLE 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) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |