Patent US4026301A successfully refreshed from Google Patents.
US3145035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe coupling having a flexible sealing lip
Assignee: Weatherhead Co
•
Filing: 1958-09-10
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Granted: 1964-08-18
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Expires: 1978-09-10
Abstract
No abstract record available.
Inventors
- 👤 Frank J Hanback
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:52
CPC Classifications
F; F16; F16L; F16L17/00; F16L17/06; F16L17/063; F16L15/00; F16L15/006; F16L15/009; F16L41/00; F16L41/005; F16L41/007; Y; Y10; Y10S; Y10S285/00; Y10S285/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A FLUID COUPLING COMPRISING A BODY SECTION HAVING AN AXIAL BORE THEREIN, AN END FACE ON SAID BODY SECTION NORMAL TO THE BORE, A THREADED OPENING EXTENDING FROM SAID BORE TOWARDS SAID END FACE, A FIRST OUTWARDLY FLARING CONICAL SEAT PORTION EXTENDING FROM THE END OF SAID BORE TO SAID THREADED OPENING, SAID BODY SECTION HAVING A SECOND OUTWARDLY FLARING CONICAL SEAT AT THE END FACE THEREOF OPENING INTO SAID THREADED OPENING, A NUT MEMBER ADAPTED TO BE RECEIVED IN SAID BODY PORTION, SAID NUT COMPRISING A MAXIMUM DIAMETER PORTION OVERHANGING SAID SECOND CONICAL SEAT OF THE BODY, SAID NUT HAVING A THIN FLEXIBLE TAPERED LIP PORTION INTEGRALLY FORMED THEREON TO BE RECEIVED IN THE SAID SECOND CONICAL SEAT, SAID NUT
Claim 2
Dependent Claim
121 words
A FLUID COUPLING COMPRISING A BODY SECTION HAVING AN AXIAL BORE THEREIN, AN END FACE ON SAID BODY SECTION NORMAL TO THE BORE, A THREADED OPENING EXTENDING FROM SAID BORE TOWARDS SAID END FACE, A FIRST OUTWARDLY FLARING CONICAL SEAT PORTION EXTENDING FROM THE END OF SAID BORE TO SAID THREADED OPENING, SAID BODY SECTION HAVING A SECOND OUTWARDLY FLARING CONICAL SEAT AT THE END FACE THEREOF OPENING INTO SAID THREADED OPENING, A NUT MEMBER ADAPTED TO BE RECEIVED IN SAID BODY PORTION, SAID NUT COMPRISING A MAXIMUM DIAMETER PORTION OVERHANGING SAID SECOND CONICAL SEAT OF THE BODY, SAID NUT HAVING A THIN FLEXIBLE TAPERED LIP PORTION INTEGRALLY FORMED THEREON TO BE RECEIVED IN THE SAID SECOND CONICAL SEAT, SAID NUT
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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) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |