US3342268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well packer for use with high temperature fluids
Assignee: Individual
•
Filing: 1965-09-07
•
Granted: 1967-09-19
•
Expires: 1985-09-07
Abstract
No abstract record available.
Inventors
- 👤 Joe R Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:55
CPC Classifications
E; E21; E21B; E21B23/00; E21B23/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
A WELL PACKER, COMPRISING, A TUBULAR BODY, COLLAR MEANS THREADEDLY CONNECTED TO THE BODY CARRYING MEANS FRICTIONALLY ENGAGEABLE WITH A WELL WALL TO PERMIT RELATIVE ROATION OF SAID BODY, AN ANCHOR-AND-SEAL ASSEMBLY MOUNTED ABOUT THE BODY FOR RADIAL EXPANSION AND CONTRACTION IN RESPONSE TO SAID RELATIVE ROTATION, A SETTING SLEEVE SECURED TO SAID BODY FOR ROTATING THE SAME, A CONNECTOR SLEEVE CONCENTRICALLY DISPOSED IN THE BORE OF SAID SETTING SLEEVE AND HAVING AN AXIAL BORE, COOPERATING ANCHOR MEANS CARRIED BY THE CONNECTOR AND SETTING SLEEVES ARRANGED TO ANCHOR SAID CONNECTOR SLEEVE TO SAID SETTING SLEEVE IN RESPONSE TO AXIAL MOVEMENT OF THE CONNECTOR SLEEVE RELATIVE TO SAID SETTING SLEEVE AND RELEASABLE THEREFROM BY RIGHT-HAND ROTATION OF THE CONNECTOR SLEEVE RELA-
References Cited (Backward Citations)
US2221204A
Cited
US2228503A
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US2877850A
Cited
US3158201A
Cited
US3171491A
Cited
US3223170A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |