US3269404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic shutoff valve
Assignee: Parker Hannifin Corp
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Filing: 1962-12-03
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Granted: 1966-08-30
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Expires: 1982-12-03
Abstract
No abstract record available.
Inventors
- 👤 Ralph H Lebow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:36
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/12; F16K1/126; F16K21/00; F16K21/04; F16K21/18; G; G01; G01F; G01F23/00; G01F23/14; G01F23/16; G01F23/161; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3084; Y10T137/309; Y10T137/7287; Y10T137/731; Y10T137/7358; Y10T137/7368; Y10T137/7371; Y10T137/8593; Y10T137/86292; Y10T137/86324
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
IN COMBINATION, AN AUTOMATIC SHUTOFF VALVE FOR CONTROLLING THE FLOW OF LIQUID INTO A TANK, SAID VALVE HAVING A FLUID PRESSURE OPERATED VALVE MEMBER MOVABLE TO POSITIONS FOR OPENING AND CLOSING A PASSAGE THROUGH THE VALVE, A JET NOZZLE FROM WHICH LIQUID MAY FLOW IN A JET STREAM TO A JET RECEIVER MEANS FOR GENERATING A PRESSURE THEREIN, MEANS ASSOCIATED WITH SAID VALVE MEMBER FOR CAUSING SAID VALVE MEMBER TO CLOSE IN RESPONSE TO THE PRESSURE IN SAID JET RECEIVER MEANS DROPPING BELOW A PRE-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |