US3304715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque transmitting mechanism in an axial piston type hydraulic power transmission unit
Assignee: International Motors LLC
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Filing: 1965-05-21
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Granted: 1967-02-21
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Expires: 1985-05-21
Abstract
No abstract record available.
Inventors
- 👤 Walter H Page
- 👤 Ralph E Wallace
- 👤 John F Swift
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:02
CPC Classifications
F; F01; F01B; F01B3/00; F01B3/0032; F01B3/0044; F01B3/0052; F16; F16H; F16H39/00; F16H39/04; F16H39/06; F16H39/08; F16H39/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A HYDRAULIC UNIT HAVING A CYLINDER BLOCK MEMBER WITH A PLURALITY OF AXIALLY MOVABLE PISTONS IN COOPERATIVE RELATION WITH A SWASH PLATE, A VALVE PLATE MEMBER ABUTTING SAID CYLINDER BLOCK MEMBER IN PRESSURE SEAL RELATION FORMING AN INTERFACE FOR VALVING FLUID TO AND FROM SAID PISTONS, A ROTATABLE DRIVE DEVICE AND, IN COMBINATION, A TORQUE TRANSMITTING MECHANISM CONNECTING ONE OF SAID MEMBERS WITH SAID ROTATABLE DRIVE DEVICE IN TORQUE TRANSMITTING RELATION INCLUDING MEANS FOR PREVENTING TRANSVERSE
Claim 2
Dependent Claim
76 words
A HYDRAULIC UNIT HAVING A CYLINDER BLOCK MEMBER WITH A PLURALITY OF AXIALLY MOVABLE PISTONS IN COOPERATIVE RELATION WITH A SWASH PLATE, A VALVE PLATE MEMBER ABUTTING SAID CYLINDER BLOCK MEMBER IN PRESSURE SEAL RELATION FORMING AN INTERFACE FOR VALVING FLUID TO AND FROM SAID PISTONS, A ROTATABLE DRIVE DEVICE AND, IN COMBINATION, A TORQUE TRANSMITTING MECHANISM CONNECTING ONE OF SAID MEMBERS WITH SAID ROTATABLE DRIVE DEVICE IN TORQUE TRANSMITTING RELATION INCLUDING MEANS FOR PREVENTING TRANSVERSE
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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |