US3323548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balanced rotary solenoid valve
Assignee: MAC Valves Inc
•
Filing: 1964-09-11
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Granted: 1967-06-06
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Expires: 1984-09-11
Abstract
No abstract record available.
Inventors
- 👤 Walter D Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:30
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0682; G; G05; G05D; G05D16/00; G05D16/20; G05D16/2086; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86622
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A SOLENOID OPERATED PRESSURE FLUID CONTROL VALVE COMPRISING: A COVER; AN E-SHAPED MAGNETIC FRAME REMOVABLY MOUNTED IN SAID COVER AND HAVING A PAIR OF POLE PIECES ON OPPOSITE ENDS THEREOF; COIL MEANS MOUNTED ON THE CENTRAL ARM OF SAID FRAME; AN ARMATURE; BEARING MEANS FOR ROTATABLY MOUNTING SAID ARMATURE ON SAID CENTRAL ARM IN A POSITION TO ENGAGE SAID POLE PIECES; STOP MEANS FOR LIMITING THE ROTATION OF SAID ARMATURE; SPRING MEANS COUPLED TO SAID ARMATURE FOR NORMALLY MAINTAINING SAID ARMATURE IN ANGEGEMENT WITH SAID STOP MEANS; A FLUID FLOW HOUSING SECURED TO SAID COVER; AND A VALVE MEMBER ROTATABLY MOUNTED IN SAID HOUSING AND COUPLED TO SAID ARMATURE.
Claim 2
Dependent Claim
109 words
A SOLENOID OPERATED PRESSURE FLUID CONTROL VALVE COMPRISING: A COVER; AN E-SHAPED MAGNETIC FRAME REMOVABLY MOUNTED IN SAID COVER AND HAVING A PAIR OF POLE PIECES ON OPPOSITE ENDS THEREOF; COIL MEANS MOUNTED ON THE CENTRAL ARM OF SAID FRAME; AN ARMATURE; BEARING MEANS FOR ROTATABLY MOUNTING SAID ARMATURE ON SAID CENTRAL ARM IN A POSITION TO ENGAGE SAID POLE PIECES; STOP MEANS FOR LIMITING THE ROTATION OF SAID ARMATURE; SPRING MEANS COUPLED TO SAID ARMATURE FOR NORMALLY MAINTAINING SAID ARMATURE IN ANGEGEMENT WITH SAID STOP MEANS; A FLUID FLOW HOUSING SECURED TO SAID COVER; AND A VALVE MEMBER ROTATABLY MOUNTED IN SAID HOUSING AND COUPLED TO SAID ARMATURE.
References Cited (Backward Citations)
US3117594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |