Patent US3116750A successfully refreshed from Google Patents.
US3116750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intermittently reversing control valve
Assignee: Individual
•
Filing: 1962-01-09
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Granted: 1964-01-07
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Expires: 1982-01-09
Abstract
No abstract record available.
Inventors
- 👤 Howard A Tidd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:23
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/16; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/265; Y10T137/2668; Y10T137/268
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
IN COMBINATION WITH AN UPRIGHT HOUSING INCLUDING A HEAD PORTION ON ITS UPPER END AND HAVING AN UPSTANDING BORE FORMED THEREIN COMMUNICATED WITH THE EXTERIOR OF SAID HOUSING AT ITS LOWER END PORTION AND EXTENDING UPWARDLY INTO SAID HEAD PORTION, A HOLLOW VALVE MEMBER JOURNALED IN THE UPPER END OF SAID BORE, OPENING DOWNWARDLY INTO SAID BORE AND HAVING A RADIAL OPENING FORMED THEREIN, SAID HEAD PORTION HAVING A PAIR OF LATERALLY OUTWARDLY EXTENDING OPENINGS FORMED THEREIN WITH WHICH SAID RADIAL OPENING MAY BE SELECTIVELY REGISTERED UPON ROTATION OF SAID VALVE MEMBER, A PISTON MEMBER LOOSELY AND FREELY SLIDABLE IN SAID BORE AND MOVABLE UPWARDLY THEREIN IN RESPONSE TO AN INCREASE OF THE VELOCITY OF THE LIQUID FLOW UPWARDLY THROUGH SAID BORE AND YET READILY MOVABLE DOWNWARDLY IN SAID BORE BY GRAVITY IN RESPONSE TO A REDUCTION IN THE VELOCITY OF FLUID FLOW UPWARDLY THROUGH SAID BORE, LOST MOTION MEANS CONNECTING SAID PISTON MEMBER TO SAID VALVE MEMBER FOR INTERMITTENTLY ROTATING SAID VALVE MEMBER IN RESPONSE TO RECIPROCATION OF SAID PISTON IN SAID BORE, SAID LOST MOTION MEANS INCLUDING MEANS ESTABLISHING A DRIVING CONNECTION BETWEEN SAID PISTON MEMBER AND SAID VALVE MEMBER UPON THE RISING OF SAID PISTON MEMBER
Claim 2
Dependent Claim
199 words
IN COMBINATION WITH AN UPRIGHT HOUSING INCLUDING A HEAD PORTION ON ITS UPPER END AND HAVING AN UPSTANDING BORE FORMED THEREIN COMMUNICATED WITH THE EXTERIOR OF SAID HOUSING AT ITS LOWER END PORTION AND EXTENDING UPWARDLY INTO SAID HEAD PORTION, A HOLLOW VALVE MEMBER JOURNALED IN THE UPPER END OF SAID BORE, OPENING DOWNWARDLY INTO SAID BORE AND HAVING A RADIAL OPENING FORMED THEREIN, SAID HEAD PORTION HAVING A PAIR OF LATERALLY OUTWARDLY EXTENDING OPENINGS FORMED THEREIN WITH WHICH SAID RADIAL OPENING MAY BE SELECTIVELY REGISTERED UPON ROTATION OF SAID VALVE MEMBER, A PISTON MEMBER LOOSELY AND FREELY SLIDABLE IN SAID BORE AND MOVABLE UPWARDLY THEREIN IN RESPONSE TO AN INCREASE OF THE VELOCITY OF THE LIQUID FLOW UPWARDLY THROUGH SAID BORE AND YET READILY MOVABLE DOWNWARDLY IN SAID BORE BY GRAVITY IN RESPONSE TO A REDUCTION IN THE VELOCITY OF FLUID FLOW UPWARDLY THROUGH SAID BORE, LOST MOTION MEANS CONNECTING SAID PISTON MEMBER TO SAID VALVE MEMBER FOR INTERMITTENTLY ROTATING SAID VALVE MEMBER IN RESPONSE TO RECIPROCATION OF SAID PISTON IN SAID BORE, SAID LOST MOTION MEANS INCLUDING MEANS ESTABLISHING A DRIVING CONNECTION BETWEEN SAID PISTON MEMBER AND SAID VALVE MEMBER UPON THE RISING OF SAID PISTON MEMBER
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) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |