US3190190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary actuator
Assignee: Flo Tork Inc
•
Filing: 1963-05-02
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Granted: 1965-06-22
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Expires: 1983-05-02
Abstract
No abstract record available.
Inventors
- 👤 Edward H Rudd
- 👤 Eldon D Sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:03
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/02; F15B15/06; F15B15/065; F16; F16K; F16K31/00; F16K31/44; F16K31/53; F16K31/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A FLUID ACTUATOR COMPRISING: (A) A HOUSING, (B) A SHAFT JOURNALED IN SAID HOUSING, (C) FIRST AND SECOND DRIVE MEANS IN SAID HOUSING ON ONE SIDE OF SAID SHAFT, SAID DRIVE MEANS BEING OPERATIVELY CONNECTED TO SAID SHAFT, (D) AND FIRST AND SECOND FLUID SYSTEMS EACH BEING OPERATIVELY CONNECTED TO EACH OF SAID DRIVE MEANS, (E) SAID FIRST FLUID SYSTEM INCLUDING MEANS FOR APPLYING FLUID PRESSURE TO BOTH OF SAID DRIVE MEANS TO ROTATE SAID SHAFT IN ONE DIRECTION, AND SAID SECOND FLUID SYSTEM INCLUDING MEANS FOR APPLYING FLUID PRESSURE TO BOTH OF SAID DIRVE MEANS TO ROTATE SAID SHAFT IN THE OPPOSITE DIRECTION.
Claim 2
Dependent Claim
104 words
A FLUID ACTUATOR COMPRISING: (A) A HOUSING, (B) A SHAFT JOURNALED IN SAID HOUSING, (C) FIRST AND SECOND DRIVE MEANS IN SAID HOUSING ON ONE SIDE OF SAID SHAFT, SAID DRIVE MEANS BEING OPERATIVELY CONNECTED TO SAID SHAFT, (D) AND FIRST AND SECOND FLUID SYSTEMS EACH BEING OPERATIVELY CONNECTED TO EACH OF SAID DRIVE MEANS, (E) SAID FIRST FLUID SYSTEM INCLUDING MEANS FOR APPLYING FLUID PRESSURE TO BOTH OF SAID DRIVE MEANS TO ROTATE SAID SHAFT IN ONE DIRECTION, AND SAID SECOND FLUID SYSTEM INCLUDING MEANS FOR APPLYING FLUID PRESSURE TO BOTH OF SAID DIRVE MEANS TO ROTATE SAID SHAFT IN THE OPPOSITE DIRECTION.
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |