US3203447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetically operated valve
Assignee: Skinner Precision Industries Inc
•
Filing: 1963-10-09
•
Granted: 1965-08-31
•
Expires: 1983-10-09
Abstract
No abstract record available.
Inventors
- 👤 William C Bremner
- 👤 Robert W Weinberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:08
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0603; F16K31/0624; F16K31/0627; F16K31/08; F16K31/082; H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/16; H01F7/1638; H01F7/1646; H01F7/121; H01F7/122; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86622; Y10T137/87153; Y10T137/87161
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A VALVE COMPRISING A BODY HAVING A PLURALTY OF FLOW PASSAGES AND INLET AND OUTLET PORTS OPENING INTO THE FLOW PASSAGES, SAID BODY HAVING PORTIONS AT OPPOSITE ENDS OF THE FLOW PASSAGES FORMED FROM MAGNETIC MATERIAL, A PLURALITY OF VALVE MEMBERS RESPECTIVELY RECEIVED IN THE FLOW PASSAGES FOR SLIDABLY MOVEMENT BETWEEN FIRST AND SECOND POSITIONS AT THE OPPOSITE ENDS OF THE PASSAGES FOR CONTROLLING FLUID FLOW THERETHROUGH, PERMANENT MAGNET MEANS IN SAID VALVE MEMBERS PROVIDING A MAGNETIC FLUX FOR HOLDING THE VALVE MEMBERS IN EITHER OF SAID POSITIONS AGAINST SAID BODY PORTIONS, AND A MAGNETIC MEANS
Claim 2
Dependent Claim
96 words
A VALVE COMPRISING A BODY HAVING A PLURALTY OF FLOW PASSAGES AND INLET AND OUTLET PORTS OPENING INTO THE FLOW PASSAGES, SAID BODY HAVING PORTIONS AT OPPOSITE ENDS OF THE FLOW PASSAGES FORMED FROM MAGNETIC MATERIAL, A PLURALITY OF VALVE MEMBERS RESPECTIVELY RECEIVED IN THE FLOW PASSAGES FOR SLIDABLY MOVEMENT BETWEEN FIRST AND SECOND POSITIONS AT THE OPPOSITE ENDS OF THE PASSAGES FOR CONTROLLING FLUID FLOW THERETHROUGH, PERMANENT MAGNET MEANS IN SAID VALVE MEMBERS PROVIDING A MAGNETIC FLUX FOR HOLDING THE VALVE MEMBERS IN EITHER OF SAID POSITIONS AGAINST SAID BODY PORTIONS, AND A MAGNETIC MEANS
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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |