Patent US3378031A successfully refreshed from Google Patents.
US3378031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible solenoid-operated valve assembly
Assignee: ROCKER SOLENOID CO
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Filing: 1966-07-19
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Granted: 1968-04-16
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Expires: 1986-07-19
Abstract
No abstract record available.
Inventors
- 👤 Hatashita Kimio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 02:25
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0603; F16K31/0624; F16K31/0627; F16K31/0631; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87169; Y10T137/87217
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A SOLENOID VALVE ASSEMBLY COMPRISING A HOUSING ENCLOSING A PAIR OF INDEPENDENT VALVE MEMBERS MOVABLE TOWARD AND AWAY FROM RESPECTIVE VALVE SEAT MEANS FOR SAID VALVES, SOLENOID MEANS FOR SIMULTANEOUSLY OPERATING SAID VALVES, SAID SOLENOID MEANS HAVING A PAIR OF INNER AND OUTER TUBES AND END PLATE MEANS THEREACROSS ENCLOSING THEREBETWEEN A SOLENOID COIL, THE MIDPORTION OF SAID INNER TUBE BEING OF NONMAGNETIC MATERIAL AND THE REMAINDER OF SAID TUBES AND END PLATES BEING OF MAGNETIC MATERIAL, A PAIR OF L-SHAPED ARMATURE MEMBERS SLIDABLY SUPPORTED WITHIN SAID INNER TUBE, THE SHORTER LEGS OF SAID L-SHAPED ARMATURE MEMBERS BEING REMOTE FROM ONE ANOTHER AND THE LONGER LEGS THEREOF BEING IN CLOSE OVERLAPPING SLIDING CONTACT WITH ONE ANOTHER CENTRALLY OF SAID INNER TUBE, MEANS CONNECTING EACH OF SAID ARMATURE MEM-
Claim 2
Dependent Claim
128 words
A SOLENOID VALVE ASSEMBLY COMPRISING A HOUSING ENCLOSING A PAIR OF INDEPENDENT VALVE MEMBERS MOVABLE TOWARD AND AWAY FROM RESPECTIVE VALVE SEAT MEANS FOR SAID VALVES, SOLENOID MEANS FOR SIMULTANEOUSLY OPERATING SAID VALVES, SAID SOLENOID MEANS HAVING A PAIR OF INNER AND OUTER TUBES AND END PLATE MEANS THEREACROSS ENCLOSING THEREBETWEEN A SOLENOID COIL, THE MIDPORTION OF SAID INNER TUBE BEING OF NONMAGNETIC MATERIAL AND THE REMAINDER OF SAID TUBES AND END PLATES BEING OF MAGNETIC MATERIAL, A PAIR OF L-SHAPED ARMATURE MEMBERS SLIDABLY SUPPORTED WITHIN SAID INNER TUBE, THE SHORTER LEGS OF SAID L-SHAPED ARMATURE MEMBERS BEING REMOTE FROM ONE ANOTHER AND THE LONGER LEGS THEREOF BEING IN CLOSE OVERLAPPING SLIDING CONTACT WITH ONE ANOTHER CENTRALLY OF SAID INNER TUBE, MEANS CONNECTING EACH OF SAID ARMATURE MEM-
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) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |