US3159180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick disconnect valved coupling
Assignee: Weatherhead Co
•
Filing: 1961-05-01
•
Granted: 1964-12-01
•
Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Louis B Courtot
- 👤 Norton James Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:29
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/10; F16L37/113; F16L37/28; F16L37/30; F16L37/373; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/87925; Y10T137/87973
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A VALVED COUPLING COMPRISING A PAIR OF COUPLIHNG UNITS DETACHABLY CONNECTED TO EACH OTHER, EACH COUPLING UNIT INCLUDING A VALVE MOVABLE BETWEEN OPEN AND CLOSED POSITIONS, SAID VALVES EXTENDING CONTIGUOUS TO EACH OTHER WHEN SAID COUPLING UNITS ARE CONNECTED TO EACH OTHER, AND AN INDIVIDUAL VALVE ACTUATING MEANS ON EACH COUPLING UNIT FOR OPENING AND CLOSING THE RESPECTIVE VALVE THEREIN, THE RESPECTIVE INDIVIDUAL VALVE ACTUATING MEANS BEING COUPLED TO EACH OTHER FOR UNITARY OPERATION TO OPEN AND CLOSE THE RESPECTIVE VALVES INDIVIDUALLY AND SEQUENTIALLY ONE AFTER THE OTHER.
Claim 2
Dependent Claim
88 words
A VALVED COUPLING COMPRISING A PAIR OF COUPLIHNG UNITS DETACHABLY CONNECTED TO EACH OTHER, EACH COUPLING UNIT INCLUDING A VALVE MOVABLE BETWEEN OPEN AND CLOSED POSITIONS, SAID VALVES EXTENDING CONTIGUOUS TO EACH OTHER WHEN SAID COUPLING UNITS ARE CONNECTED TO EACH OTHER, AND AN INDIVIDUAL VALVE ACTUATING MEANS ON EACH COUPLING UNIT FOR OPENING AND CLOSING THE RESPECTIVE VALVE THEREIN, THE RESPECTIVE INDIVIDUAL VALVE ACTUATING MEANS BEING COUPLED TO EACH OTHER FOR UNITARY OPERATION TO OPEN AND CLOSE THE RESPECTIVE VALVES INDIVIDUALLY AND SEQUENTIALLY ONE AFTER THE OTHER.
References Cited (Backward Citations)
FR876521A
Cited
US2440946A
Cited
GB708527A
Cited
US2712454A
Cited
US2948553A
Cited
US2872216A
Cited
US2991090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |