US3272276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid power synchronized drives for vehicles
Assignee: Individual
•
Filing: 1964-04-17
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Granted: 1966-09-13
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Expires: 1984-04-17
Abstract
No abstract record available.
Inventors
- 👤 Budzich Tadeusz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:03
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/04; B60K17/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN A SELF-PROPELLED VEHICLE HAVING A FRAME, AN ENGINE AND DRIVING WHEELS MOUNTED ON SAID FRAME, DRIVING MEANS INTERPOSED BETWEEN SAID ENGINE AND SAID DRIVING WHEELS, AT LEAST ONE STEERING WHEEL PIVOTALLY MOUNTED ON SAID FRAME; THE COMBINATION THEREWITH OF A FLUID POWER TRANSMISSION AND CONTROL SYSTEM DISPOSED TO DRIVE EACH OF SAID STEERING WHEELS COMPRISING, FLUID MOTOR MEANS MOUNTED ON SAID STEERING WHEELS AND DRIVINGLY ENGAGED THEREWITH, FLUID RESPONSIVE CLUTCH MEANS INTERPOSED BETWEEN SAID FLUID MOTOR MEANS AND SAID STEERING WHEELS, A VARIABLE FLOW PUMP HAVING HIGH AND LOW PRESSURE PORTS CONNECTED TO SAID MOTOR MEANS AND ARRANGED TO DRIVE SAID FLUID MOTOR MEANS, PRESSURE RESPONSIVE CONTROL MEANS TO VARY THE FLOW OF SAID PUMP TO MAINTAIN A RELATIVELY
Claim 2
Dependent Claim
120 words
IN A SELF-PROPELLED VEHICLE HAVING A FRAME, AN ENGINE AND DRIVING WHEELS MOUNTED ON SAID FRAME, DRIVING MEANS INTERPOSED BETWEEN SAID ENGINE AND SAID DRIVING WHEELS, AT LEAST ONE STEERING WHEEL PIVOTALLY MOUNTED ON SAID FRAME; THE COMBINATION THEREWITH OF A FLUID POWER TRANSMISSION AND CONTROL SYSTEM DISPOSED TO DRIVE EACH OF SAID STEERING WHEELS COMPRISING, FLUID MOTOR MEANS MOUNTED ON SAID STEERING WHEELS AND DRIVINGLY ENGAGED THEREWITH, FLUID RESPONSIVE CLUTCH MEANS INTERPOSED BETWEEN SAID FLUID MOTOR MEANS AND SAID STEERING WHEELS, A VARIABLE FLOW PUMP HAVING HIGH AND LOW PRESSURE PORTS CONNECTED TO SAID MOTOR MEANS AND ARRANGED TO DRIVE SAID FLUID MOTOR MEANS, PRESSURE RESPONSIVE CONTROL MEANS TO VARY THE FLOW OF SAID PUMP TO MAINTAIN A RELATIVELY
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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |