US3402747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick coupling for the transfer of fluids
Assignee: ST Dupont SA
•
Filing: 1966-06-02
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Granted: 1968-09-24
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Expires: 1986-06-02
Abstract
No abstract record available.
Inventors
- 👤 Tissot-Dupont Lucien Fra Simon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:39
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/04; F23; F23Q; F23Q2/00; F23Q2/34; F23Q2/52; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0382; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/87925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A QUICK COUPLING ASSEMBLY FOR THE TRANSFER OF FLUID COMPRISING: (A) AN ELONGATED NOZZLE HAVING RADIALLY EXPANSIBLE RESILIENT JAW MEANS AT ONE END THEREOF, (B) MEANS DEFINING A CAVITY HAVING A BASE AND AN OPENING AXIALLY OPPOSED THERETO, SAID BASE INCLUDING AN APERTURE, SAID CAVITY ADAPTED TO RECEIVE SAID NOZZLE THROUGH SAID OPENING, (C) VALVE MEANS INCLUDING A VALVE HEAD DISPOSED IN SAID CAVITY ADJACENT SAID BASE AND URGED THEREAGAINST INTO ITS CLOSED POSITION BY A VALVE SPRING TO BLOCK SAID APERTURE, EXTENSION MEANS AXIALLY AFFIXED TO SAID VALVE HEAD AND DISPOSED IN SAID CAVITY, SAID EXTENSION MEANS TERMINATING IN AN ENLARGEMENT ADAPTED TO AXIALLY PENETRATE INTO SAID NOZZLE, SAID JAW MEANS ADAPTED TO FRICTIONALLY HOLD SAID ENLARGEMENT TO ALLOW SAID NOZZLE TO PULL SAID VALVE HEAD INTO AN OPEN
Claim 2
Dependent Claim
130 words
A QUICK COUPLING ASSEMBLY FOR THE TRANSFER OF FLUID COMPRISING: (A) AN ELONGATED NOZZLE HAVING RADIALLY EXPANSIBLE RESILIENT JAW MEANS AT ONE END THEREOF, (B) MEANS DEFINING A CAVITY HAVING A BASE AND AN OPENING AXIALLY OPPOSED THERETO, SAID BASE INCLUDING AN APERTURE, SAID CAVITY ADAPTED TO RECEIVE SAID NOZZLE THROUGH SAID OPENING, (C) VALVE MEANS INCLUDING A VALVE HEAD DISPOSED IN SAID CAVITY ADJACENT SAID BASE AND URGED THEREAGAINST INTO ITS CLOSED POSITION BY A VALVE SPRING TO BLOCK SAID APERTURE, EXTENSION MEANS AXIALLY AFFIXED TO SAID VALVE HEAD AND DISPOSED IN SAID CAVITY, SAID EXTENSION MEANS TERMINATING IN AN ENLARGEMENT ADAPTED TO AXIALLY PENETRATE INTO SAID NOZZLE, SAID JAW MEANS ADAPTED TO FRICTIONALLY HOLD SAID ENLARGEMENT TO ALLOW SAID NOZZLE TO PULL SAID VALVE HEAD INTO AN OPEN
References Cited (Backward Citations)
US1081149A
Cited
US3186449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |