US3307356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic motion transmitting system
Assignee: Individual
•
Filing: 1965-01-13
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Granted: 1967-03-07
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Expires: 1985-01-13
Abstract
No abstract record available.
Inventors
- 👤 Robert R Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:07
CPC Classifications
F; F15; F15B; F15B7/00; F15B7/008; B; B63; B63H; B63H25/00; B63H25/06; B63H25/08; B63H25/14; B63H25/26; B63H25/28; F15B7/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
IN A REMOTE MOTION TRANSMITTING SYSTEM, A MASTER COMPONENT COMPRISING A ROTATABLE DRIVE SHAFT, A MASTER CYLINDER MEANS, A MASTER PISTON DISPOSED IN SAID CYLINDER MEANS, AND MEANS EFFECTING LONGITUDINAL MOVEMENT OF SAID MASTER PISTON IN RESPONSE TO ROTATIVE MOVEMENT OF SAID DRIVE SHAFT; A SLAVE COMPONENT COMPRISING A ROTATABLE OUTPUT SHAFT, A SLAVE CYLINDER MEANS, A SLAVE PISTON DISPOSED IN SAID SLAVE CYLINDER MEANS, AND MEANS EFFECTING ROTATIVE MOVEMENT OF SAID OUTPUT SHAFT IN RESPONSE TO LONGITUDINAL MOVEMENT OF SAID SLAVE PISTON; AND A CONNECTING LINE CONTAINING HYDRAULIC FLUID CONNECTED TO BOTH SAID CYLINDER MEANS AHEAD OF SAID PISTONS, WHEREBY MOVEMENT OF SAID MASTER PISTON EFFECTS A RESPONSIVE MOTION OF SAID SLAVE PISTON THROUGH THE MEDIUM OF SAID HYDRAULIC FLUID, A PAIR OF TENSIONED SPRING MEANS CONNECTED TO SAID DRIVE SHAFT AND SAID OUTPUT SHAFT, RESPECTIVELY, AND ROTATIVELY URGING SAID SHAFTS WHEREBY SAID PISTONS EXERT PRESSURE ON SAID HYDRAULIC FLUID IN SAID LINE.
Claim 2
Dependent Claim
154 words
IN A REMOTE MOTION TRANSMITTING SYSTEM, A MASTER COMPONENT COMPRISING A ROTATABLE DRIVE SHAFT, A MASTER CYLINDER MEANS, A MASTER PISTON DISPOSED IN SAID CYLINDER MEANS, AND MEANS EFFECTING LONGITUDINAL MOVEMENT OF SAID MASTER PISTON IN RESPONSE TO ROTATIVE MOVEMENT OF SAID DRIVE SHAFT; A SLAVE COMPONENT COMPRISING A ROTATABLE OUTPUT SHAFT, A SLAVE CYLINDER MEANS, A SLAVE PISTON DISPOSED IN SAID SLAVE CYLINDER MEANS, AND MEANS EFFECTING ROTATIVE MOVEMENT OF SAID OUTPUT SHAFT IN RESPONSE TO LONGITUDINAL MOVEMENT OF SAID SLAVE PISTON; AND A CONNECTING LINE CONTAINING HYDRAULIC FLUID CONNECTED TO BOTH SAID CYLINDER MEANS AHEAD OF SAID PISTONS, WHEREBY MOVEMENT OF SAID MASTER PISTON EFFECTS A RESPONSIVE MOTION OF SAID SLAVE PISTON THROUGH THE MEDIUM OF SAID HYDRAULIC FLUID, A PAIR OF TENSIONED SPRING MEANS CONNECTED TO SAID DRIVE SHAFT AND SAID OUTPUT SHAFT, RESPECTIVELY, AND ROTATIVELY URGING SAID SHAFTS WHEREBY SAID PISTONS EXERT PRESSURE ON SAID HYDRAULIC FLUID IN SAID LINE.
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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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |