Patent US6658325B2 successfully refreshed from Google Patents.
US3170484A
Expired / Lapsed
US
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Valve system
Assignee: Ross Operating Valve Co
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Filing: 1962-06-20
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Granted: 1965-02-23
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Expires: 1982-06-20
Abstract
No abstract record available.
Inventors
- 👤 Gordon R Benz
- 👤 Robert J Kinsler
- 👤 Andrew B Huntington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:08
CPC Classifications
F; F16; F16P; F16P3/00; F16P3/18; F16P3/22; F15; F15B; F15B20/00; F15B20/001; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87169; Y10T137/87193; Y10T137/87209
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
IN A SAFETY SYSTEM FOR USE IN CONJUNCTION WITH A FLUID MOTOR CONTROL SYSTEM OF THE TYPE HAVING A PAIR OF SYNCHRONOUSLY OPERABLE VALVES, A CONTROL MEMBER MOVABLE BETWEEN A NORMAL POSITION AND A SAFETY POSITION DISENABLING SAID SYNCHRONOUSLY OPERABLE VALVES, SENSING MEANS SHIFTABLE FROM A NORMAL POSITION TO A DISENABLING POSITION IN RESPONSE TO THE OCCURRENCE OF DISCREPANT POSITIONS BETWEEN SAID VALVES, AND MEANS RESPONSIVE TO THE EXPIRATION OF A PREDETERMINED TIME AFTER SHIFTING OF SAID SENSING MEANS TO ITS DISENABLING POSITION FOR CAUSING SAID CONTROL MEMBER TO SHIFT TO ITS SAFETY POSITION.
Claim 2
Dependent Claim
94 words
IN A SAFETY SYSTEM FOR USE IN CONJUNCTION WITH A FLUID MOTOR CONTROL SYSTEM OF THE TYPE HAVING A PAIR OF SYNCHRONOUSLY OPERABLE VALVES, A CONTROL MEMBER MOVABLE BETWEEN A NORMAL POSITION AND A SAFETY POSITION DISENABLING SAID SYNCHRONOUSLY OPERABLE VALVES, SENSING MEANS SHIFTABLE FROM A NORMAL POSITION TO A DISENABLING POSITION IN RESPONSE TO THE OCCURRENCE OF DISCREPANT POSITIONS BETWEEN SAID VALVES, AND MEANS RESPONSIVE TO THE EXPIRATION OF A PREDETERMINED TIME AFTER SHIFTING OF SAID SENSING MEANS TO ITS DISENABLING POSITION FOR CAUSING SAID CONTROL MEMBER TO SHIFT TO ITS SAFETY POSITION.
References Cited (Backward Citations)
US3068897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |