US3286464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic apparatus
Assignee: Dowty Technical Developments Ltd
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Filing: 1965-06-02
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Granted: 1966-11-22
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Expires: 1985-06-02
Abstract
No abstract record available.
Inventors
- 👤 Dowty George Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:53
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/44; F16H61/448; F16H39/00; F16H39/04; F16H39/06; F16H39/08; F16H39/10; F16H61/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A HYDROSTATIC POWER TRANSMISSION COMPRISING A POSITIVE DISPLACEMENT TRANSMISSION PUMP, A POSITIVE DISPLACEMENT TRANSMISSION MOTOR HAVING ONE DIMENSION LARGER IN SIZE THAN A DIMENSION OF THE TRANSMISSION PUMP, LOCATED IN CLOSE PROXIMITY TO THE TRANSMISSION PUMP WITH THE TWO SAID DIMENSIONS PARALLEL, AT LEAST ONE HYDRAULIC CONNECTION EXTENDING BETWEEN THE TRANSMISSION PUMP AND THE MOTOR, AN AUXILIARY PUMP LOCATED CLOSE TO THE TRANSMISSION PUMP IN THE DIRECTION OF THE TRANSMISSION PUMP DIMENSION SO THAT THE OVERALL DIMENSION OF THE TWO PUMPS IS LESS THAN THE DIMENSION OF THE MOTOR AND LIES BETWEEN TWO PLANES EXTENDING FROM THE EXTREMES OF THE MOTOR DIMENSION AT RIGHT ANGLES THERETO, AND A GEAR OR LIKE CONNECTION BETWEEN THE AUXILIARY PUMP AND THE TRANSMISSION PUMP.
Claim 2
Dependent Claim
120 words
A HYDROSTATIC POWER TRANSMISSION COMPRISING A POSITIVE DISPLACEMENT TRANSMISSION PUMP, A POSITIVE DISPLACEMENT TRANSMISSION MOTOR HAVING ONE DIMENSION LARGER IN SIZE THAN A DIMENSION OF THE TRANSMISSION PUMP, LOCATED IN CLOSE PROXIMITY TO THE TRANSMISSION PUMP WITH THE TWO SAID DIMENSIONS PARALLEL, AT LEAST ONE HYDRAULIC CONNECTION EXTENDING BETWEEN THE TRANSMISSION PUMP AND THE MOTOR, AN AUXILIARY PUMP LOCATED CLOSE TO THE TRANSMISSION PUMP IN THE DIRECTION OF THE TRANSMISSION PUMP DIMENSION SO THAT THE OVERALL DIMENSION OF THE TWO PUMPS IS LESS THAN THE DIMENSION OF THE MOTOR AND LIES BETWEEN TWO PLANES EXTENDING FROM THE EXTREMES OF THE MOTOR DIMENSION AT RIGHT ANGLES THERETO, AND A GEAR OR LIKE CONNECTION BETWEEN THE AUXILIARY PUMP AND THE TRANSMISSION PUMP.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |