Patent US3072210A successfully refreshed from Google Patents.
US3072210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automobile speed control system
Assignee: Holley Performance Products Inc
•
Filing: 1959-06-01
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Granted: 1963-01-08
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Expires: 1979-06-01
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Cramer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:23
CPC Classifications
B; B60; B60K; B60K31/00; B60K31/12; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/1007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A VEHICLE SPEED CONTROL SYSTEM COMPRISING AN ACCELERATOR PEDAL, A HYDRAULIC MOTOR CONNECTED TO SAID PEDAL TO OPPOSE ACCELERATING MOVEMENT THEREOF, A SOURCE OF HYDRAULIC FLUID UNDER PRESSURE, PASSAGE MEANS CONNECTING SAID SOURCE AND MOTOR INCLUDING A SPEED RESPONSIVE VALVE EFFECTIVE TO CONTROL THE APPLICATION OF PRESSURE TO SAID MOTOR, A PRESSURE LIMITING BYPASS VALVE BETWEEN SAID SOURCE AND SPEED RESPONSIVE VALVE, A RESTRICTION IN THE PASSAGE MEANS BETWEEN SAID BYPASS VALVE AND SAID SPEED RESPONSIVE VALVE, SAID HYDRAULIC MOTOR COMPRISING A PISTON AND CYLINDER, AND A LATERAL RECESS IN THE WALL OF SAID CYLINDER UNCOVERED BY SAID PISTON WHEN SAID PEDAL IS IN FULL ACCELERATION POSITION TO BYPASS FLUID IN SAID CYLINDER AROUND SAID PISTON.
Claim 2
Dependent Claim
116 words
A VEHICLE SPEED CONTROL SYSTEM COMPRISING AN ACCELERATOR PEDAL, A HYDRAULIC MOTOR CONNECTED TO SAID PEDAL TO OPPOSE ACCELERATING MOVEMENT THEREOF, A SOURCE OF HYDRAULIC FLUID UNDER PRESSURE, PASSAGE MEANS CONNECTING SAID SOURCE AND MOTOR INCLUDING A SPEED RESPONSIVE VALVE EFFECTIVE TO CONTROL THE APPLICATION OF PRESSURE TO SAID MOTOR, A PRESSURE LIMITING BYPASS VALVE BETWEEN SAID SOURCE AND SPEED RESPONSIVE VALVE, A RESTRICTION IN THE PASSAGE MEANS BETWEEN SAID BYPASS VALVE AND SAID SPEED RESPONSIVE VALVE, SAID HYDRAULIC MOTOR COMPRISING A PISTON AND CYLINDER, AND A LATERAL RECESS IN THE WALL OF SAID CYLINDER UNCOVERED BY SAID PISTON WHEN SAID PEDAL IS IN FULL ACCELERATION POSITION TO BYPASS FLUID IN SAID CYLINDER AROUND SAID PISTON.
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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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |