US3235222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tracer equipment
Assignee: Individual
•
Filing: 1961-07-21
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Granted: 1966-02-15
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Expires: 1981-07-21
Abstract
No abstract record available.
Inventors
- 👤 Claude H Nickell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 21:28
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; Y10T409/30364
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
IN A HYDRAULICALLY ACTUATED TRACER UNIT, A HOUSING, AN ELONGATED VALVE ACTUATOR, MEANS PIVOTALLY MOUNTING SAID ACTUATOR MEMBER IN SAID HOUSING AT A POINT INTERMEDIATE ITS ENDS, MEANS WITHIN SAID PIVOT MEANS MOUNTING SAID VALVE ACTUATOR FOR LONGITUDINAL MOVEMENT, SAID VALVE ACTUATOR HAVING ONE END WITHIN SAID HOUSING, AN AXIALLY EXTENDING SPHERICAL SURFACE ON THE HOUSING END OF SAID VALVE ACTUATOR AND A RADIALLY EXTENDING ARCUATE SURFACE ADJACENT SAID SPHERICAL SURFACE, AT LEAST OPNE ONE-WAY VALVE IN SAID HOUSING HAVING A SPOOL POSITIONED PERPENDICULAR TO THE AXIS OF SAID VALVE ACTUATOR, SAID ONE-WAY VALVE SPOOL HAVING A FLAT END AND MEANS URGING SAID FLAT END OF FIRST VALVE SPOOL INTO POSITIVE CONTACT WITH SAID SPHERICAL SURFACE, A TWO-WAY VALVE IN SAID HOUSING HAVING A SPOOL POSITIONED IN COAXIAL ALIGNMENT WITH SAID ACTUATOR, SAID TWO-WAY VALVE SPOOL HAVING A FLAT END AND MEANS URGING SAID FLAT END OF SAID SECOND VALVE SPOOL INTO POSITIVE CONTACT WITH SAID ARCUATE SURFACE, WHEREBY TRANSVERSE MOVE-
Claim 2
Dependent Claim
161 words
IN A HYDRAULICALLY ACTUATED TRACER UNIT, A HOUSING, AN ELONGATED VALVE ACTUATOR, MEANS PIVOTALLY MOUNTING SAID ACTUATOR MEMBER IN SAID HOUSING AT A POINT INTERMEDIATE ITS ENDS, MEANS WITHIN SAID PIVOT MEANS MOUNTING SAID VALVE ACTUATOR FOR LONGITUDINAL MOVEMENT, SAID VALVE ACTUATOR HAVING ONE END WITHIN SAID HOUSING, AN AXIALLY EXTENDING SPHERICAL SURFACE ON THE HOUSING END OF SAID VALVE ACTUATOR AND A RADIALLY EXTENDING ARCUATE SURFACE ADJACENT SAID SPHERICAL SURFACE, AT LEAST OPNE ONE-WAY VALVE IN SAID HOUSING HAVING A SPOOL POSITIONED PERPENDICULAR TO THE AXIS OF SAID VALVE ACTUATOR, SAID ONE-WAY VALVE SPOOL HAVING A FLAT END AND MEANS URGING SAID FLAT END OF FIRST VALVE SPOOL INTO POSITIVE CONTACT WITH SAID SPHERICAL SURFACE, A TWO-WAY VALVE IN SAID HOUSING HAVING A SPOOL POSITIONED IN COAXIAL ALIGNMENT WITH SAID ACTUATOR, SAID TWO-WAY VALVE SPOOL HAVING A FLAT END AND MEANS URGING SAID FLAT END OF SAID SECOND VALVE SPOOL INTO POSITIVE CONTACT WITH SAID ARCUATE SURFACE, WHEREBY TRANSVERSE MOVE-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |