US3168111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Throttle valve
Assignee: Individual
•
Filing: 1961-12-22
•
Granted: 1965-02-02
•
Expires: 1981-12-22
Abstract
No abstract record available.
Inventors
- 👤 William A Strauss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:22
CPC Classifications
F; F16; F16K; F16K47/00; F16K47/08; F16K47/14; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86734
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A METERING VALVE COMPRISING, IN COMBINATION, HOUSING MEANS FORMING A CHAMBER INCLUDING AN INNER WALL SURFACE, AN INLET PORT AND AN OUTLET PORT; ACTUATOR MEANS MOVEABLY MOUNTED IN SAID HOUSING AND INCLUDING AN ACTUATOR WALL SURFACE; A POROUS ELEMENT FORMING PASSAGE MEANS CONNECTING SAID TWO PORTS, SAID POROUS ELEMENT AND ONE OF SAID WALL SURFACES BEING IN RELATIVE SLIDEABLE ENGAGEMENT WITH ONE ANOTHER; A FIRST SHUT-OFF VALVE PORTION ON ONE OF SAID MEANS; A SECOND SHUT-OFF VALVE PORTION ON THE OTHER OF SAID MEANS, ONE OF SAID VALVE PORTIONS BEING MOVEABLE THROUGH A FLOW METERING RANGE AND INTO SEALED EN-
Claim 2
Dependent Claim
100 words
A METERING VALVE COMPRISING, IN COMBINATION, HOUSING MEANS FORMING A CHAMBER INCLUDING AN INNER WALL SURFACE, AN INLET PORT AND AN OUTLET PORT; ACTUATOR MEANS MOVEABLY MOUNTED IN SAID HOUSING AND INCLUDING AN ACTUATOR WALL SURFACE; A POROUS ELEMENT FORMING PASSAGE MEANS CONNECTING SAID TWO PORTS, SAID POROUS ELEMENT AND ONE OF SAID WALL SURFACES BEING IN RELATIVE SLIDEABLE ENGAGEMENT WITH ONE ANOTHER; A FIRST SHUT-OFF VALVE PORTION ON ONE OF SAID MEANS; A SECOND SHUT-OFF VALVE PORTION ON THE OTHER OF SAID MEANS, ONE OF SAID VALVE PORTIONS BEING MOVEABLE THROUGH A FLOW METERING RANGE AND INTO SEALED EN-
References Cited (Backward Citations)
US1307986A
Cited
US893884A
Cited
US2517061A
Cited
US2819799A
Cited
US2887129A
Cited
FR1152740A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-02 | 1968-08-03 | 1969-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-02 | 1972-08-03 | 1973-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-02 | 1976-08-03 | 1977-02-02 | $7700.00 | Window Closed / Lapsed |