US3234965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling assembly
Assignee: E B WIGGINS OIL TOOL Co I
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Filing: 1962-09-17
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Granted: 1966-02-15
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Expires: 1982-09-17
Abstract
No abstract record available.
Inventors
- 👤 Dean M Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:29
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/28; F16L37/30; F16L37/32; F16L37/08; F16L37/12; F16L37/133; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/87925; Y10T137/87941; Y10T137/87949; Y10T137/87957
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
IN A COUPLING HAVING TUBULAR COUPLING MEMBERS WHICH WHEN COUPLED TO ONE ANOTHER PROVIDE A BORE EXTENDING AXIALLY THERETHROUGH FOR CONDUCTING FLUID THROUGH THE COUPLING; THE IMPROVEMENT WHEREIN AN ANNULAR MEMBER IS FIXED TO ONE OF SAID COUPLING MEMBERS; A PLURALITY OF RESILIENT LOCKING FINERS INTEGRAL WITH SAID ANNULAR MEMBER AND EXTENDING THEREFROM AXIALLY OF SAID COUPLING MEMBER IN A CIRCULAR SERIES FOR ENCOMPASSING A PORTION OF THE OTHER COUPLING MEMBER, MEANS ON SAID FINGERS AND SAID OTHER COUPLING MEMBER COOPERABLE TO RESLEASABLY LOCK SAID COUPLING MEMBER IN COUPLED RELATION; A CYLINDRICAL AND CIRCUMFERENTIALLY CONTINUOUS RESILIENT METAL SEALING BAND HAVING A BASE ABUTTING SAID ANNULAR MEMBER AND A SEALING PORTION AT THE FREE END THEREOF; MEANS SECURING THE OPPOSITE END PORTION OF SAID BAND TO SAID ON COUPLING MEMBER WITH THE REMAINDER OF SAID BAND EXTENDING AXIALLY FROM SAID ONE COUPLING MEMBER FOR SEALING ENGAGEMENT OF SAID SEALING PORTION WITH SAID OTHER COUPLING MEMBER; SAID LOCKING FINGERS SURROUNDING AND EXTENDING AXIALLY BEYOND THE FREE END OF SAID BAND; AND MEANS SHIFTABLE ON SAID ONE COUPLING MEMBER BETWEEN A POSITION ENGAGING AND HOLDING SAID LOCKING FINGERS IN LOCKED ENGAGEMENT WITH SAID OTHER COUPLING MEMBER AND A POSITION FREE OF SAID ENGAGEMENT WITH SAID LOCKING FINGERS.
Claim 2
Dependent Claim
204 words
IN A COUPLING HAVING TUBULAR COUPLING MEMBERS WHICH WHEN COUPLED TO ONE ANOTHER PROVIDE A BORE EXTENDING AXIALLY THERETHROUGH FOR CONDUCTING FLUID THROUGH THE COUPLING; THE IMPROVEMENT WHEREIN AN ANNULAR MEMBER IS FIXED TO ONE OF SAID COUPLING MEMBERS; A PLURALITY OF RESILIENT LOCKING FINERS INTEGRAL WITH SAID ANNULAR MEMBER AND EXTENDING THEREFROM AXIALLY OF SAID COUPLING MEMBER IN A CIRCULAR SERIES FOR ENCOMPASSING A PORTION OF THE OTHER COUPLING MEMBER, MEANS ON SAID FINGERS AND SAID OTHER COUPLING MEMBER COOPERABLE TO RESLEASABLY LOCK SAID COUPLING MEMBER IN COUPLED RELATION; A CYLINDRICAL AND CIRCUMFERENTIALLY CONTINUOUS RESILIENT METAL SEALING BAND HAVING A BASE ABUTTING SAID ANNULAR MEMBER AND A SEALING PORTION AT THE FREE END THEREOF; MEANS SECURING THE OPPOSITE END PORTION OF SAID BAND TO SAID ON COUPLING MEMBER WITH THE REMAINDER OF SAID BAND EXTENDING AXIALLY FROM SAID ONE COUPLING MEMBER FOR SEALING ENGAGEMENT OF SAID SEALING PORTION WITH SAID OTHER COUPLING MEMBER; SAID LOCKING FINGERS SURROUNDING AND EXTENDING AXIALLY BEYOND THE FREE END OF SAID BAND; AND MEANS SHIFTABLE ON SAID ONE COUPLING MEMBER BETWEEN A POSITION ENGAGING AND HOLDING SAID LOCKING FINGERS IN LOCKED ENGAGEMENT WITH SAID OTHER COUPLING MEMBER AND A POSITION FREE OF SAID ENGAGEMENT WITH SAID LOCKING FINGERS.
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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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |