US3081794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide valve servo-control distributor
Assignee: Recherches Etudes Production REP SARL
•
Filing: 1959-03-24
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Granted: 1963-03-19
•
Expires: 1979-03-24
Abstract
No abstract record available.
Inventors
- 👤 Lucien Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:52
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F16; F16K; F16K27/00; F16K27/04; F16K27/041; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86694; Y10T137/8671
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A FLUID DISTRIBUTOR OF THE SLIDE-VALVE TYPE FOR SERVOCONTROL COMPRISING A DISTRIBUTOR BODY HAVING A CYLINDRICAL CAVITY INTO WHICH OPEN CROSS-PASSAGES FOR THE CIRCULATION OF THE FLUID, A SLEEVE FITTED AND RIGIDLY FIXED IN SAID CAVITY, SAID SLEEVE BEING PROVIDED WITH CIRCULAR GROOVES CORRESPONDING TO SAID PASSAGES, AND TRANSVERSE BORES EXTENDING IN SAID GROOVES; A TUBULAR JACKET CONSTITUTED BY INDIVIDUAL ANNULAR MEMBERS IN END TO END RELATION ENCIRCLED BY SAID SLEEVE IN INTERFERING RELATION SUCH THAT SAID SLEEVE AND ANNULAR MEMBERS CONSTITUTE A RIGID ASSEMBLY WHICH IS ADAPTED FOR BEING FABRICATED ACCORDING TO MASS PRODUCTION TECHNIQUES, AT LEAST ONE TRANSVERSE SLOT OF SUBSTANTIALLY RECTANGULAR SECTION BEING PROVIDED ON ONE FACE OF ONE
Claim 2
Dependent Claim
112 words
A FLUID DISTRIBUTOR OF THE SLIDE-VALVE TYPE FOR SERVOCONTROL COMPRISING A DISTRIBUTOR BODY HAVING A CYLINDRICAL CAVITY INTO WHICH OPEN CROSS-PASSAGES FOR THE CIRCULATION OF THE FLUID, A SLEEVE FITTED AND RIGIDLY FIXED IN SAID CAVITY, SAID SLEEVE BEING PROVIDED WITH CIRCULAR GROOVES CORRESPONDING TO SAID PASSAGES, AND TRANSVERSE BORES EXTENDING IN SAID GROOVES; A TUBULAR JACKET CONSTITUTED BY INDIVIDUAL ANNULAR MEMBERS IN END TO END RELATION ENCIRCLED BY SAID SLEEVE IN INTERFERING RELATION SUCH THAT SAID SLEEVE AND ANNULAR MEMBERS CONSTITUTE A RIGID ASSEMBLY WHICH IS ADAPTED FOR BEING FABRICATED ACCORDING TO MASS PRODUCTION TECHNIQUES, AT LEAST ONE TRANSVERSE SLOT OF SUBSTANTIALLY RECTANGULAR SECTION BEING PROVIDED ON ONE FACE OF ONE
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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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |