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US3086796A
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Pipe coupling with wedging locking means
Assignee: FMC Corp
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Filing: 1958-11-13
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Granted: 1963-04-23
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Expires: 1978-11-13
Abstract
No abstract record available.
Inventors
- 👤 John R Yancey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:40
CPC Classifications
F; F16; F16L; F16L15/00; F16L15/001; E; E21; E21B; E21B17/00; E21B17/02; E21B17/04; E21B17/042; E21B17/043; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/955; Y10S411/956; Y10T; Y10T403/00; Y10T403/49; Y10T403/4958
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
AN ARTICLE OF MANUFACTURE ADAPTED TO PREVENT DISCONNECTION OF A THREADED CYLINDER SCREWED INTO ENGAGEMENT WITH A COMPLEMENTARY THREADED COUPLING WHICH COUPLING DEFINES AN ANNULAR AXIALLY FACING ABUTMENT FACE EXTENDING ABOUT SAID CYLINDER, COMPRISING A CYLINDRICAL COLLAR DEFINING AN OPPOSING ABUTTING FACE AT ONE END THEREOF AND AN INTERNAL TAPER EXTENDING RADIALLY OUTWARD TOWARD ITS OTHER END, A CAM DEPRESSION IN SAID ABUTTING FACE OF SAID COLLAR TERMINATING AT ONE END AT A SUPPORT SURFACE PERPENDICULAR TO SAID ABUTTING FACE OF THE COLLAR, SAID CAM DEPRESSION BEING PARTLY DEFINED BY A CAM SURFACE SLOPING FROM SAID ONE END TOWARD SAID ABUTTING FACE OF THE COLLAR, A SLIP MEMBER POSITIONED IN SAID CAM DEPRESSION AND SLIDABLY RESTING ON SAID CAM SURFACE, MEANS DISPOSED WITHIN SAID DEPRESSION AND BETWEEN SAID SLIP
Claim 2
Dependent Claim
129 words
AN ARTICLE OF MANUFACTURE ADAPTED TO PREVENT DISCONNECTION OF A THREADED CYLINDER SCREWED INTO ENGAGEMENT WITH A COMPLEMENTARY THREADED COUPLING WHICH COUPLING DEFINES AN ANNULAR AXIALLY FACING ABUTMENT FACE EXTENDING ABOUT SAID CYLINDER, COMPRISING A CYLINDRICAL COLLAR DEFINING AN OPPOSING ABUTTING FACE AT ONE END THEREOF AND AN INTERNAL TAPER EXTENDING RADIALLY OUTWARD TOWARD ITS OTHER END, A CAM DEPRESSION IN SAID ABUTTING FACE OF SAID COLLAR TERMINATING AT ONE END AT A SUPPORT SURFACE PERPENDICULAR TO SAID ABUTTING FACE OF THE COLLAR, SAID CAM DEPRESSION BEING PARTLY DEFINED BY A CAM SURFACE SLOPING FROM SAID ONE END TOWARD SAID ABUTTING FACE OF THE COLLAR, A SLIP MEMBER POSITIONED IN SAID CAM DEPRESSION AND SLIDABLY RESTING ON SAID CAM SURFACE, MEANS DISPOSED WITHIN SAID DEPRESSION AND BETWEEN SAID SLIP
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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |