US3273594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fig.id
Assignee: —
•
Filing: —
•
Granted: 1966-09-20
•
Expires: 1983-09-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:16
CPC Classifications
F; F15; F15B; F15B21/00; F15B21/06; F15B21/065; F16; F16K; F16K31/00; F16K31/02; H; H02; H02K; H02K44/00; H02K44/02; H02K44/06; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86622; Y10T137/8663
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A FLUID ACTUATOR COMPRISING AN ELECTRIC MOTOR FIELDPIECE, MEANS FEEDING SAID FIELDPIECE WITH ELECTRIC SIGNALS, A CHANNEL INCLUDING A SECTION EXTENDING IN THE IMMEDIATE VICINITY OF SAID FIELDPIECE, LIQUID FILLING SAID CHANNEL, AT LEAST THE LIQUID IN SAID SECTION OF THE CHANNEL BEING CONDUCTIVE AND BEING SUBJECTED TO A PROPELLING ACTION BY THE MODIFICATIONS IN THE FIELD PRODUCED BY THE SIGNALS IN SAID FIELDPIECE, MEANS FOR VARYING THE CHARACTERISTICS OF SAID SIGNALS THEREBY TO VARY THE STRENGTH OF SAID FIELD, AND A SLIDE MEMBER DISPOSED IN SAID CHANNEL FOR RECIPROCATORY SLIDING MOVEMENT AND HAVING OPPOSITE END PORTIONS COMMUNICATING WITH THE LIQUID IN THE CHANNEL ON OPPOSITE SIDES OF SAID FIELDPIECE, THE CROSS-SECTIONAL AREA AND CONFIGURATION OF SAID END PORTIONS BEING MATCHED TO THE CROSS-SECTIONAL AREA AND CONFIGURATION OF SAID SECTION OF SAID CHANNEL, SO THAT SAID SLIDE MEMBER RECIPROCATES WITH A FORCE AND VELOCITY MATCHED TO THE OPTIMUM POWER FLUID DISTRIBUTION CONDITIONS, WHEN SAID CONDUCTIVE LIQUID RECIPROCATES IN SAID SECTION OF SAID CHANNEL UNDER THE OPTIMUM ELECTRIC MOTOR PERFORMANCE CONDITIONS.
Claim 2
Dependent Claim
170 words
A FLUID ACTUATOR COMPRISING AN ELECTRIC MOTOR FIELDPIECE, MEANS FEEDING SAID FIELDPIECE WITH ELECTRIC SIGNALS, A CHANNEL INCLUDING A SECTION EXTENDING IN THE IMMEDIATE VICINITY OF SAID FIELDPIECE, LIQUID FILLING SAID CHANNEL, AT LEAST THE LIQUID IN SAID SECTION OF THE CHANNEL BEING CONDUCTIVE AND BEING SUBJECTED TO A PROPELLING ACTION BY THE MODIFICATIONS IN THE FIELD PRODUCED BY THE SIGNALS IN SAID FIELDPIECE, MEANS FOR VARYING THE CHARACTERISTICS OF SAID SIGNALS THEREBY TO VARY THE STRENGTH OF SAID FIELD, AND A SLIDE MEMBER DISPOSED IN SAID CHANNEL FOR RECIPROCATORY SLIDING MOVEMENT AND HAVING OPPOSITE END PORTIONS COMMUNICATING WITH THE LIQUID IN THE CHANNEL ON OPPOSITE SIDES OF SAID FIELDPIECE, THE CROSS-SECTIONAL AREA AND CONFIGURATION OF SAID END PORTIONS BEING MATCHED TO THE CROSS-SECTIONAL AREA AND CONFIGURATION OF SAID SECTION OF SAID CHANNEL, SO THAT SAID SLIDE MEMBER RECIPROCATES WITH A FORCE AND VELOCITY MATCHED TO THE OPTIMUM POWER FLUID DISTRIBUTION CONDITIONS, WHEN SAID CONDUCTIVE LIQUID RECIPROCATES IN SAID SECTION OF SAID CHANNEL UNDER THE OPTIMUM ELECTRIC MOTOR PERFORMANCE CONDITIONS.
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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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |