US3204411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrostatic drive
Assignee: Ford Motor Co
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Filing: 1964-04-06
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Granted: 1965-09-07
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Expires: 1984-04-06
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Stockton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:53
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/42; F16H61/433; F16H39/00; F16H39/04; F16H39/06; F16H39/08; F16H61/423; F16H39/10; F16H2039/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
AN INFINITELY VARIABLE SPEED DRIVING DEVICE COMPRISING, A PLURALITY OF SPACED VARIABLE DISPLACEMENT HYDROSTATIC UNITS OF THE RECIPROCATING PISTON TYPE INTERCONNECTED BY A CLOSED FLUID CIRCUIT FOR A DRIVE OF SAID UNITS BY EACH OTHER, AND AN ADJUSTABLE SWASH PLATE MEANS BETWEEN AND COMMON TO SAID UNITS AND OPERABLY CONNECTED TO EACH FOR CONCURRENTLY VARYING THE FLUID DISPLACEMENT OF SAID UNITS TO VARY THE DRIVE THEREBETWEEN UPON ADJUSTMENT OF SAID PLATE MEANS.
Claim 2
Dependent Claim
72 words
AN INFINITELY VARIABLE SPEED DRIVING DEVICE COMPRISING, A PLURALITY OF SPACED VARIABLE DISPLACEMENT HYDROSTATIC UNITS OF THE RECIPROCATING PISTON TYPE INTERCONNECTED BY A CLOSED FLUID CIRCUIT FOR A DRIVE OF SAID UNITS BY EACH OTHER, AND AN ADJUSTABLE SWASH PLATE MEANS BETWEEN AND COMMON TO SAID UNITS AND OPERABLY CONNECTED TO EACH FOR CONCURRENTLY VARYING THE FLUID DISPLACEMENT OF SAID UNITS TO VARY THE DRIVE THEREBETWEEN UPON ADJUSTMENT OF SAID PLATE MEANS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |