US3329094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switching valve
Assignee: Individual
•
Filing: 1966-02-09
•
Granted: 1967-07-04
•
Expires: 1986-02-09
Abstract
No abstract record available.
Inventors
- 👤 Carroll D Harklau
- 👤 Roger L Harklau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:32
CPC Classifications
F; F04; F04B; F04B9/00; F04B9/08; F04B9/10; F04B9/109; F04B9/111; F04B9/115; F01; F01L; F01L23/00; F04B11/00; F04B11/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
334 words
IN A SWITCHING VALVE, COMPRISING, A HOUSING, A VALVE BODY DISPOSED IN SAID HOUSING, A CHAMBER IN SAID HOUSING ON EACH SIDE OF SAID VALVE BODY, SAID VALVE BODY HAVING A PAIR OF ELONGATED PASSAGEWAYS EXTENDING THERETHROUGH, EACH OF SAID PASSAGEWAYS BEING IN COMMUNICATION BETWEEN EACH OF SAID CHAMBERS, SAID VALVE BODY HAVING AN INLET OPENING IN COMMUNICATION WITH ONE OF SAID PASSAGEWAYS, SAID VALVE BODY HAVING AN OUTLET OPENING IN COMMUNICATION WITH THE OTHER OF SAID PASSAGEWAYS, A SHAFT DISPOSED IN SAID ONE PASSAGEWAY, SAID ONE PASSAGEWAY HAVING A CAVITY, VALVE MEANS MOVABLY MOUNTED ON SAID SHAFT IN SAID CAVITY, FOR ALTERNATELY AT TIMES PLACING ONE CHAMBER IN COMMUNICATION WITH SAID INLET OPENING AND CLOSING SAID OTHER CHAMBER TO COMMUNICATION WITH SAID INLET OPENING, AND AT OTHER TIMES PLACING SAID OTHER CHAMBER IN COMMUNICATION WITH SAID INLET OPENING AND CLOSING SAID ONE CHAMBER TO COMMUNICATION WITH SAID INLET OPENING, MEANS IN SAID OTHER PASSAGEWAY FOR ALTERNATELY AT TIMES PLACING ONE CHAMBER IN COMMUNICATION WITH SAID OUTLET OPENING AND CLOSING SAID OTHER CHAMBER TO COMMUNICATION WITH SAID OUTLET OPENING, AND AT OTHER TIMES PLACING SAID OTHER CHAMBER IN COMMUNICATION WITH SAID OUTLET OPENING AND CLOSING SAID ONE CHAMBER TO COMMUNICATION WITH SAID OUTLET OPENING, ACTUATING MEANS ADAPTED TO OPERATIVELY ENGAGE SAID MEANS IN EACH OF SAID PASSAGEWAYS FOR CO-ORDINATING SAID MEANS IN EACH OF SAID PASSAGEWAYS FOR AT TIMES SAID ONE CHAMBER TO BE IN COMMUNICATION WITH SAID INLET OPENING AND SAID OTHER CHAMBER IN COMMUNICATION WITH SAID OUTLET OPENING, AND AT OTHER TIMES SAID ONE CHAMBER TO BE IN COMMUNICATION WITH SAID OUTLET OPENING WITH SAID OTHER CHAMBER IN COMMUNICATION WITH SAID INLET OPENING, AND A VALVE SEAT IS PROVIDED IN SAID CAVITY ON OPPOSITE SIDES OF SAID VALVE MEANS MOVABLY MOUNTED ON SAID SHAFT, SAID ACTUATING MEANS INCLUDING AN ACTUATING ELEMENT ON OPPOSITE SIDES OF SAID VALVE MEANS AND MOVABLE IN SAID ONE PASSAGEWAY FOR ALTERNATELY ENGAGING SAID VALVE MEANS AND MOVING SAID VALVE MEANS BACK AND FORTH BETWEEN SAID VALVE SEATS.
Claim 2
Dependent Claim
334 words
IN A SWITCHING VALVE, COMPRISING, A HOUSING, A VALVE BODY DISPOSED IN SAID HOUSING, A CHAMBER IN SAID HOUSING ON EACH SIDE OF SAID VALVE BODY, SAID VALVE BODY HAVING A PAIR OF ELONGATED PASSAGEWAYS EXTENDING THERETHROUGH, EACH OF SAID PASSAGEWAYS BEING IN COMMUNICATION BETWEEN EACH OF SAID CHAMBERS, SAID VALVE BODY HAVING AN INLET OPENING IN COMMUNICATION WITH ONE OF SAID PASSAGEWAYS, SAID VALVE BODY HAVING AN OUTLET OPENING IN COMMUNICATION WITH THE OTHER OF SAID PASSAGEWAYS, A SHAFT DISPOSED IN SAID ONE PASSAGEWAY, SAID ONE PASSAGEWAY HAVING A CAVITY, VALVE MEANS MOVABLY MOUNTED ON SAID SHAFT IN SAID CAVITY, FOR ALTERNATELY AT TIMES PLACING ONE CHAMBER IN COMMUNICATION WITH SAID INLET OPENING AND CLOSING SAID OTHER CHAMBER TO COMMUNICATION WITH SAID INLET OPENING, AND AT OTHER TIMES PLACING SAID OTHER CHAMBER IN COMMUNICATION WITH SAID INLET OPENING AND CLOSING SAID ONE CHAMBER TO COMMUNICATION WITH SAID INLET OPENING, MEANS IN SAID OTHER PASSAGEWAY FOR ALTERNATELY AT TIMES PLACING ONE CHAMBER IN COMMUNICATION WITH SAID OUTLET OPENING AND CLOSING SAID OTHER CHAMBER TO COMMUNICATION WITH SAID OUTLET OPENING, AND AT OTHER TIMES PLACING SAID OTHER CHAMBER IN COMMUNICATION WITH SAID OUTLET OPENING AND CLOSING SAID ONE CHAMBER TO COMMUNICATION WITH SAID OUTLET OPENING, ACTUATING MEANS ADAPTED TO OPERATIVELY ENGAGE SAID MEANS IN EACH OF SAID PASSAGEWAYS FOR CO-ORDINATING SAID MEANS IN EACH OF SAID PASSAGEWAYS FOR AT TIMES SAID ONE CHAMBER TO BE IN COMMUNICATION WITH SAID INLET OPENING AND SAID OTHER CHAMBER IN COMMUNICATION WITH SAID OUTLET OPENING, AND AT OTHER TIMES SAID ONE CHAMBER TO BE IN COMMUNICATION WITH SAID OUTLET OPENING WITH SAID OTHER CHAMBER IN COMMUNICATION WITH SAID INLET OPENING, AND A VALVE SEAT IS PROVIDED IN SAID CAVITY ON OPPOSITE SIDES OF SAID VALVE MEANS MOVABLY MOUNTED ON SAID SHAFT, SAID ACTUATING MEANS INCLUDING AN ACTUATING ELEMENT ON OPPOSITE SIDES OF SAID VALVE MEANS AND MOVABLE IN SAID ONE PASSAGEWAY FOR ALTERNATELY ENGAGING SAID VALVE MEANS AND MOVING SAID VALVE MEANS BACK AND FORTH BETWEEN SAID VALVE SEATS.
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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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |