Patent US3144047A successfully refreshed from Google Patents.
US3144047A
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Solenoid operated valve
Assignee: KOONTZ WAGNER ELECTRIC Co
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Filing: 1961-12-19
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Granted: 1964-08-11
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Expires: 1981-12-19
Abstract
No abstract record available.
Inventors
- 👤 James S Tjaden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:14
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0675; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86879
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
147 words
IN A SOLENOID VALVE: A VALVE BODY, AN ELEMENT IN SAID BODY CONTROLLING THE FLOW OF FLUID THROUGH SAID VALVE, SAID BODY HAVING A CHAMBER AT ONE END OF SAID ELEMENT, AN ARMATURE IN SAID CHAMBER CONNECTED TO SAID ELEMENT, A CUP-SHAPED MEMBER OF NONMAGNETIC MATERIAL SECURED TO SAID BODY AND HAVING A BOTTOM FORMING A WALL OF SAID CHAMBER, THE OUTSIDE OF SAID BOTTOM BEING POSITIONED ADJACENT SAID ARMATURE, AN ELECTROMAGNETIC COIL DISPOSED IN SAID CUP-SHAPED MEMBER WITH ONE POLE THEREOF ADJACENT THE INSIDE OF SAID BOTTOM, MEANS SECURING SAID COIL IN SAID CUPSHAPED MEMBER, AND A PLURALITY OF RELATIVELY SMALL INSERTS OF MAGNETIC MATERIAL IN SAID BOTTOM, ONE GROUP OF SAID INSERTS BEING ANNULARLY ARRANGED NEAR BUT SPACED FROM THE CENTER OF THE BOTTOM AND EXTENDING THERETHROUGH AND ANOTHER GROUP OF SAID INSERTS BEING ANNULARLY ARRANGED NEAR THE PERIPHERY OF THE BOTTOM AND EXTENDING THERETHROUGH.
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) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |