Patent US3170486A successfully refreshed from Google Patents.
US3170486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid coupling
Assignee: Individual
•
Filing: 1962-05-16
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Granted: 1965-02-23
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Expires: 1982-05-16
Abstract
No abstract record available.
Inventors
- 👤 Witt Richard L De
- 👤 Harold W Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:57
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/122; B; B64; B64G; B64G5/00; F16L; F16L37/00; F16L37/002; F16L37/28; F16L37/30; F16L37/36; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/87925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A DETACHABLE LIQUID FLOW CONTROL COMPONENT FOR COOPERATIVE ENGAGEMENT WITH A FIXEDLY MOUNTED LIQUID CONTROL COMPONENT, SAID DETACHABLE COMPONENT COMPRISING: A HOLLOW BODY PROVIDING A FLOW PASSAGE AND AN OPEN END FACE; A VALVE ELEMENT EXTENDING OUTWARDLY FROM SAID OPEN END FACE; MEANS IN SAID HOLLOW BODY TO YIELDINGLY BIAS SAID VALVE ELEMENT TO CLOSED POSITION; A SLIDABLE MEMBER EXTENDING LONGITUDINALLY WITHIN SAID HOLLOW BODY; SAID SLIDEABLE MEMBER FORMED WITH AN INTERMEDIATE ANNULAR FLANGE EXTENDING INWARDLY TOWARD THE FLOW PASSAGE OF SAID HOLLOW BODY; INLET MEANS FOR SUPPLYING PRESSURIZED GAS TO SAID HOLLOW BODY; AND A BELLOWS ATTACHED TO SAID INWARDLY EXTENDING ANNULAR FLANGE FOR ISOLATING THE FLOW PASSAGE FROM THE INLET MEANS WHEREBY PRESSURE AGAINST SAID INWARDLY EXTENDING ANNULAR FLANGE OVERRIDES SAID BIASING MEANS TO ACTUATE SAID VALVE ELEMENT TO OPEN POSITION.
Claim 2
Dependent Claim
133 words
A DETACHABLE LIQUID FLOW CONTROL COMPONENT FOR COOPERATIVE ENGAGEMENT WITH A FIXEDLY MOUNTED LIQUID CONTROL COMPONENT, SAID DETACHABLE COMPONENT COMPRISING: A HOLLOW BODY PROVIDING A FLOW PASSAGE AND AN OPEN END FACE; A VALVE ELEMENT EXTENDING OUTWARDLY FROM SAID OPEN END FACE; MEANS IN SAID HOLLOW BODY TO YIELDINGLY BIAS SAID VALVE ELEMENT TO CLOSED POSITION; A SLIDABLE MEMBER EXTENDING LONGITUDINALLY WITHIN SAID HOLLOW BODY; SAID SLIDEABLE MEMBER FORMED WITH AN INTERMEDIATE ANNULAR FLANGE EXTENDING INWARDLY TOWARD THE FLOW PASSAGE OF SAID HOLLOW BODY; INLET MEANS FOR SUPPLYING PRESSURIZED GAS TO SAID HOLLOW BODY; AND A BELLOWS ATTACHED TO SAID INWARDLY EXTENDING ANNULAR FLANGE FOR ISOLATING THE FLOW PASSAGE FROM THE INLET MEANS WHEREBY PRESSURE AGAINST SAID INWARDLY EXTENDING ANNULAR FLANGE OVERRIDES SAID BIASING MEANS TO ACTUATE SAID VALVE ELEMENT TO OPEN POSITION.
References Cited (Backward Citations)
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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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |