US3587650A
Expired / Lapsed
US
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Valving
Assignee: Nutron Corp
•
Filing: 1969-06-19
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Granted: 1971-06-28
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Expires: 1989-06-19
Abstract
Abstract A MAGNETIC VALVE COMPRISING A HOUSING DEFINING A VALVING SURFACE AND AN INLET PASSAGE TERMINATING AT THE SURFACE IN AN INLET PORT, A VALVING MEMBER AT LEAST IN PART OF MAGNETIC MATERIAL HAVING A CAVITY EXTENDING INWARDLY FROM AN OPENING IN A SURFACE THEREOF MOUNTED ON THE HOUSING WITH THE SURFACE THEREOF ENGGING THE VALVING SURFACE, AN ELECTROMAGNET FOR MOVING THE VALVING MEMBER RELATIVE TO THE HOUSING, AND MEANS FOR CONSTRAINING MOVEMENT OF THE VALVING MEMBER RELATIVE TO THE HOUSING SO THAT AT LEAST A PORTION OF THE INLET PORT IS INVARIABLY WITHIN THE BOUNDS OF THE OPENING.
Inventors
- 👤 James M Denker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:29
CPC Classifications
F; F16; F16K; F16K11/00; F16K31/00; F16K31/02; F16K31/06; F16K31/0682; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86622; Y10T137/86879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |