US3372619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tracer valve control units
Assignee: Hayes Engineers Leeds Ltd
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Filing: 1966-04-29
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Granted: 1968-03-12
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Expires: 1986-04-29
Abstract
No abstract record available.
Inventors
- 👤 Brian M Clegg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:49
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/24; B23Q35/26; B23Q35/36; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/303416; Y10T409/303472; Y10T409/303528; Y10T409/30364
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
TRACER VALVE CONTROL UNIT INCLUDING A HOUSING, A VALVE OPERATING ELEMENT MOUNTED IN BEARING MEANS IN THE HOUSING, FLUID FLOW CONTROL VALVE UNITS OPERABLE BY LATERAL DEFLECTIONS OF SAID ELEMENTS, A STYLUS ASSOCIATED WITH ONE END OF THE ELEMENT TO BE ENGAGED WITH A MASTER PROFILE AND DEFLECT THE ELEMENT, A HOLLOW CARRIER MEMBER DISPOSED ABOUT SAID ELEMENT AND ROTATABLE ABOUT A CONSTANT AXIS, AT LEAST ONE ELECTRIC MOTOR FOR DRIVING SAID MEMBER, ELECTRICAL SWITCHES RADIALLY DISPOSED ABOUT SAID CARRIER MEMBER AND CONNECTED INTO A CONTROL CIRCUIT FOR SAID MOTOR, BIAS APPLYING MEANS ON SAID CARRIER MEMBER FOR CONSTANTLY URGING SAID VALVE OPERATING ELEMENT TOWARDS
Claim 2
Dependent Claim
105 words
TRACER VALVE CONTROL UNIT INCLUDING A HOUSING, A VALVE OPERATING ELEMENT MOUNTED IN BEARING MEANS IN THE HOUSING, FLUID FLOW CONTROL VALVE UNITS OPERABLE BY LATERAL DEFLECTIONS OF SAID ELEMENTS, A STYLUS ASSOCIATED WITH ONE END OF THE ELEMENT TO BE ENGAGED WITH A MASTER PROFILE AND DEFLECT THE ELEMENT, A HOLLOW CARRIER MEMBER DISPOSED ABOUT SAID ELEMENT AND ROTATABLE ABOUT A CONSTANT AXIS, AT LEAST ONE ELECTRIC MOTOR FOR DRIVING SAID MEMBER, ELECTRICAL SWITCHES RADIALLY DISPOSED ABOUT SAID CARRIER MEMBER AND CONNECTED INTO A CONTROL CIRCUIT FOR SAID MOTOR, BIAS APPLYING MEANS ON SAID CARRIER MEMBER FOR CONSTANTLY URGING SAID VALVE OPERATING ELEMENT TOWARDS
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) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |