US3265412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed pipe coupling assembly
Assignee: Individual
•
Filing: 1964-07-10
•
Granted: 1966-08-09
•
Expires: 1984-07-10
Abstract
No abstract record available.
Inventors
- 👤 William P Reid
- 👤 Harold A Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:57
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/08; F16L47/00; F16L47/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN A SEALED COUPLING; A MALE ELEMENT; A FEMALE ELEMENT; SAID FEMALE ELEMENT HAVING A COUNTERBORE FORMING A SHOULDER, A CYLINDRICAL SURFACE, AND A TAPERING SURFACE; A GLAND ON SAID MALE ELEMENT HAVING A WEDGE PORTION, AN ENLARGED END PORTION, AND A SHOULDER; SAID WEDGE PORTION HAVING AXIAL SLITS THEREIN, EXTENDING AXIALLY THE FULL LENGTH THEREOF, SAID WEDGE PORTION BEING EXTENSIBLE INTO SAID COUNTERBORE; SAID SHOULDER ON SAID GLAND BEING ENGAGEABLE WITH AN END OF SAID FEMALE MEMBER TO LIMIT INSERTION OF SAID GLAND INTO SAID COUNTERBORE TO A POSITION AXIALLY SPACED FROM SAID COUNTERBORE SHOULDER TO FORM A CHAMBER WHEREIN SAID CYLINDRICAL SURFACE AND A PORTION OF SAID MALE ELEMENT OPPOSITE SAID CYLINDRICAL SURFACE PROVIDE RADIALLY OPPOSED SEATING SURFACES; A SEALING RING SEATED ON SAID SEATING SURFACES WITHIN SAID CHAMBER; AND MEANS FOR WEDGING SAID WEDGE PORTION AGAINST SAID TAPERING SURFACE TO EFFECT A DEFORMATION AT THE JOINT SUCH AS WILL DIS-
Claim 2
Dependent Claim
153 words
IN A SEALED COUPLING; A MALE ELEMENT; A FEMALE ELEMENT; SAID FEMALE ELEMENT HAVING A COUNTERBORE FORMING A SHOULDER, A CYLINDRICAL SURFACE, AND A TAPERING SURFACE; A GLAND ON SAID MALE ELEMENT HAVING A WEDGE PORTION, AN ENLARGED END PORTION, AND A SHOULDER; SAID WEDGE PORTION HAVING AXIAL SLITS THEREIN, EXTENDING AXIALLY THE FULL LENGTH THEREOF, SAID WEDGE PORTION BEING EXTENSIBLE INTO SAID COUNTERBORE; SAID SHOULDER ON SAID GLAND BEING ENGAGEABLE WITH AN END OF SAID FEMALE MEMBER TO LIMIT INSERTION OF SAID GLAND INTO SAID COUNTERBORE TO A POSITION AXIALLY SPACED FROM SAID COUNTERBORE SHOULDER TO FORM A CHAMBER WHEREIN SAID CYLINDRICAL SURFACE AND A PORTION OF SAID MALE ELEMENT OPPOSITE SAID CYLINDRICAL SURFACE PROVIDE RADIALLY OPPOSED SEATING SURFACES; A SEALING RING SEATED ON SAID SEATING SURFACES WITHIN SAID CHAMBER; AND MEANS FOR WEDGING SAID WEDGE PORTION AGAINST SAID TAPERING SURFACE TO EFFECT A DEFORMATION AT THE JOINT SUCH AS WILL DIS-
References Cited (Backward Citations)
GB379413A
Cited
US2396163A
Cited
US2515899A
Cited
US2457648A
Cited
US2676037A
Cited
US3051514A
Cited
GB882115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |