US3123337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pxras
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:23
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/02; F16L; F16L19/00; F16L19/02; F16L19/0212; F16L47/00; F16L47/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86759
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
A FITTING COMPRISING A FIRST COUPLING MEMBER HAVING A TUBULAR END FORMED FROM PLASTIC MATERIAL AND HAVING A WIDENED CUP-SHAPED INNER PORTION FORMING A FRUSTOCONICAL SEAT SURFACE, A SECOND COUPLING MEMBER HAVING A PLASTIC ANNULAR END PORTION FITTING IN THE TUBULAR END OF THE FIRST COUPLING MEMBER AND TERMINATING IN A BEVELLED ANNULAR LIP FREELY ENGAGABLE INSEID THE SEAT SURFACE, SAID LIP HAVING A FREE END AXIALLY ABUTTING AGAINST AN INTERMEDIATE PORTION OF THE SEAT SURFACE, TIGHTENING MEANS FOR COUPLING SAID MEMBERS AND SIMULTANEOUSLY SUBJECTING THE LIP TO AN ELASTIC FELXION WITH THE END OF SAID LIP BEING CONSTRICTED IN A SEALING RELATIONSHIP AGAINST THE SEAT SURFACE, WHEREIN A VALVE BODY HAVING AN INLET ORIFICE CONSTITUTES THE FIRST MEMBER AND IS PROVIDED WITH THE CUP-SHAPED SEAT-FORMING FRUSTO-CONICAL SURFACE, THE SECOND MEMBER CONSTITUTING A PLUG FITTING IN A FLUID-TIGHT MANNER AND SLIDABLY IN A BORE CONSTITUTING THE CENTRAL CHAMBER OF THE VALVE BODY, SAID TIGHTENING MEANS INCLUDING A KNOB SCREWED ON THE VALVE BODY SO AS TO ACTUATE SAID PLUG, AND MEANS RENDERING SAID KNOB AND PLUG AXIALLY SOLID WITH EACH OTHER.
Claim 2
Dependent Claim
181 words
A FITTING COMPRISING A FIRST COUPLING MEMBER HAVING A TUBULAR END FORMED FROM PLASTIC MATERIAL AND HAVING A WIDENED CUP-SHAPED INNER PORTION FORMING A FRUSTOCONICAL SEAT SURFACE, A SECOND COUPLING MEMBER HAVING A PLASTIC ANNULAR END PORTION FITTING IN THE TUBULAR END OF THE FIRST COUPLING MEMBER AND TERMINATING IN A BEVELLED ANNULAR LIP FREELY ENGAGABLE INSEID THE SEAT SURFACE, SAID LIP HAVING A FREE END AXIALLY ABUTTING AGAINST AN INTERMEDIATE PORTION OF THE SEAT SURFACE, TIGHTENING MEANS FOR COUPLING SAID MEMBERS AND SIMULTANEOUSLY SUBJECTING THE LIP TO AN ELASTIC FELXION WITH THE END OF SAID LIP BEING CONSTRICTED IN A SEALING RELATIONSHIP AGAINST THE SEAT SURFACE, WHEREIN A VALVE BODY HAVING AN INLET ORIFICE CONSTITUTES THE FIRST MEMBER AND IS PROVIDED WITH THE CUP-SHAPED SEAT-FORMING FRUSTO-CONICAL SURFACE, THE SECOND MEMBER CONSTITUTING A PLUG FITTING IN A FLUID-TIGHT MANNER AND SLIDABLY IN A BORE CONSTITUTING THE CENTRAL CHAMBER OF THE VALVE BODY, SAID TIGHTENING MEANS INCLUDING A KNOB SCREWED ON THE VALVE BODY SO AS TO ACTUATE SAID PLUG, AND MEANS RENDERING SAID KNOB AND PLUG AXIALLY SOLID WITH EACH OTHER.
References Cited (Backward Citations)
US1423418A
Cited
GB356882A
Cited
US1900902A
Cited
US2330864A
Cited
FR1059317A
Cited
FR1143461A
Cited
US2823699A
Cited
US2865596A
Cited
US2785910A
Cited
US2985180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |