US3359995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic three-way valve
Assignee: TAP RITE PRODUCTS CORP
•
Filing: 1965-07-02
•
Granted: 1967-12-26
•
Expires: 1985-07-02
Abstract
No abstract record available.
Inventors
- 👤 Michael J Parisi
- 👤 Migliore Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:32
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/10; F16K15/00; F16K15/02; F16K15/04; F16K15/044; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7927
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A FLUID FLOW CONTROL SYSTEM INCLUDING A HOUSING HAVING A CHAMBER THEREIN, INLET AND OUTLET PASSAGEE OPENING THROUGH THE HOSUING AND INTO SAID CHAMBER AT DIFFERENT LOCATIONS ON THE HOUSING, A VENT PASSAGE AT A THIRD LOCATION ON THE HOUSING AND THROUGH WHICH FLUID ESCAPES FROM WITHIN THE CHAMBER, A PISTON THAT SLIDES IN THE CHAMBER AND THAT AS AN AXIALLY-EXTENDING BORE, A GUIDE ELEMENT FIXED RELATIVE TO THE HOUSING AND EXTENDING FROM ONE END OF THE CHAMBER AND INTO THE AXIAL BORE OF THE PISTON, AT LEAST ONE OF THE PASSAGES OPENING THROUGH THE CIRCUMFERENCE OF THE GUIDE ELEMENT AND BEING CLOSED BY THE PISTON WHEN THE PISTON COVERS ONE OF SAID PASSAGES AT ONE PART OF ITS STROKE.
Claim 2
Dependent Claim
120 words
A FLUID FLOW CONTROL SYSTEM INCLUDING A HOUSING HAVING A CHAMBER THEREIN, INLET AND OUTLET PASSAGEE OPENING THROUGH THE HOSUING AND INTO SAID CHAMBER AT DIFFERENT LOCATIONS ON THE HOUSING, A VENT PASSAGE AT A THIRD LOCATION ON THE HOUSING AND THROUGH WHICH FLUID ESCAPES FROM WITHIN THE CHAMBER, A PISTON THAT SLIDES IN THE CHAMBER AND THAT AS AN AXIALLY-EXTENDING BORE, A GUIDE ELEMENT FIXED RELATIVE TO THE HOUSING AND EXTENDING FROM ONE END OF THE CHAMBER AND INTO THE AXIAL BORE OF THE PISTON, AT LEAST ONE OF THE PASSAGES OPENING THROUGH THE CIRCUMFERENCE OF THE GUIDE ELEMENT AND BEING CLOSED BY THE PISTON WHEN THE PISTON COVERS ONE OF SAID PASSAGES AT ONE PART OF ITS STROKE.
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) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |