Patent US3198280A successfully refreshed from Google Patents.
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US3198280A Expired / Lapsed US ⏱️ 0.0 years remaining

Vehicle speed controlling system

Assignee: Motors Liquidation Co
•
Filing: 1963-04-17
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Granted: 1965-08-03
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Expires: 1983-04-17
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Abstract

No abstract record available.

Inventors

  • 👤 David L Van Ostrom

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 12:32
CPC Classifications
F; F02; F02D; F02D41/00; F02D41/30

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 312 words
A CONTROL SYSTEM FOR REGULATING THE SPEED OF A MOTOR VEHICLE TO MAINTAIN IT SUBSTANTIALLY CONSTANT, SAID SYSTEM COMPRISING: FUEL CONTROL MEANS FOR THE MOTOR VEHICLE ENGINE, MULTI-TERMINAL ELECTRICALLY ENERGIZABLE AND DEENERGIZABLE FIRST CONTROL MEANS FOR CONTROLLING THE OPERATION OF SAID FUEL CONTROL MEANS TO OPERATIVELY CONTROL THE VEHICLE SPEED, VEHICLE SPEED RESPONSIVE SWITCHING MEANS OPERABLE BETWEEN OPENED AND CLOSED POSITION IN ACCORDANCE WITH ACTUAL VEHICLE SPEED ERROR FROM A DESIRED VEHICLE SPEED, A SOURCE OF DIRECT CURRENT, A NORMALLY CLOSED MANUALLY OPERABLE FIRST SWITCH HAVING ONE CONTACT CONNECTED TO ONE SIDE OF SAID SOURCE OF DIRECT CURRENT, A MANUALLY OPERABLE NORMALLY OPEN SECOND SWITCH WHICH IS CAPABLE OF BEING MOMENTARILY CLOSED, SECOND CONTROL MEANS HAVING FIRST, SECOND THIRD AND FOURTH TERMINALS, SAID SECOND CONTROL MEANS BEING SO CONSTRUCTED AND ARRANGED THAT SAID FIRST AND FOURTH TERMINALS ARE ELECTRICALLY CONNECTED WHEN CURRENT IS PASSING BETWEEN SAID FIRST AND SECOND TERMINALS AND BETWEEN SAID FIRST AND FOURTH TERMINALS, SAID SECOND CONTROL MEANS BEING OPERATIVE TO ELECTRICALLY CONNECT SAID FIRST AND THIRD TERMINALS WHEN CURRENT IS PASSING ONLY BETWEEN SAID FIRST AND SECOND TERMINALS, MEANS ELECTRICALLY CONNECTING ONE TERMINAL OF SAID FIRST CONTROL MEANS AND THE FIRST TERMINAL OF SAID SECOND CONTROL MEANS WITH ONE OF THE CONTACTS OF SAID SECOND SWITCH, MEANS CONNECTING THE THIRD TERMINAL OF SAID SECOND CONTROL MEANS WITH ONE OF THE CONTACTS OF SAID FIRST SWITCH, MEANS CONNECTING ANOTHER TERMINAL OF SAID FIRST CONTROL MEANS AND SAID FOURTH TERMINAL OF SAID SECOND CONTROL MEANS WITH ONE SIDE OF SAID SPEED RESPONSIVE SWITCHING MEANS, AND MEANS CONNECTING THE OPPOSITE SIDE OF SAID SPEED RESPONSIVE SWITCHING MEANS AND SAID SECOND TERMINAL OF SAID SECOND CONTROL MEANS WITH THE OTHER SIDE OF SAID SOURCE OF DIRECT CURRENT, SAID SPEED RESPONSIVE SWITCHING MEANS AND SAID SECOND CONTROL MEANS THEREBY BEING OPERATIVE TO CONTROL THE ELECTRICAL ENERGIZATION AND DEENERGIZATION OF SAID FIRST CONTROL MEANS.
Claim 2
Dependent Claim 312 words
A CONTROL SYSTEM FOR REGULATING THE SPEED OF A MOTOR VEHICLE TO MAINTAIN IT SUBSTANTIALLY CONSTANT, SAID SYSTEM COMPRISING: FUEL CONTROL MEANS FOR THE MOTOR VEHICLE ENGINE, MULTI-TERMINAL ELECTRICALLY ENERGIZABLE AND DEENERGIZABLE FIRST CONTROL MEANS FOR CONTROLLING THE OPERATION OF SAID FUEL CONTROL MEANS TO OPERATIVELY CONTROL THE VEHICLE SPEED, VEHICLE SPEED RESPONSIVE SWITCHING MEANS OPERABLE BETWEEN OPENED AND CLOSED POSITION IN ACCORDANCE WITH ACTUAL VEHICLE SPEED ERROR FROM A DESIRED VEHICLE SPEED, A SOURCE OF DIRECT CURRENT, A NORMALLY CLOSED MANUALLY OPERABLE FIRST SWITCH HAVING ONE CONTACT CONNECTED TO ONE SIDE OF SAID SOURCE OF DIRECT CURRENT, A MANUALLY OPERABLE NORMALLY OPEN SECOND SWITCH WHICH IS CAPABLE OF BEING MOMENTARILY CLOSED, SECOND CONTROL MEANS HAVING FIRST, SECOND THIRD AND FOURTH TERMINALS, SAID SECOND CONTROL MEANS BEING SO CONSTRUCTED AND ARRANGED THAT SAID FIRST AND FOURTH TERMINALS ARE ELECTRICALLY CONNECTED WHEN CURRENT IS PASSING BETWEEN SAID FIRST AND SECOND TERMINALS AND BETWEEN SAID FIRST AND FOURTH TERMINALS, SAID SECOND CONTROL MEANS BEING OPERATIVE TO ELECTRICALLY CONNECT SAID FIRST AND THIRD TERMINALS WHEN CURRENT IS PASSING ONLY BETWEEN SAID FIRST AND SECOND TERMINALS, MEANS ELECTRICALLY CONNECTING ONE TERMINAL OF SAID FIRST CONTROL MEANS AND THE FIRST TERMINAL OF SAID SECOND CONTROL MEANS WITH ONE OF THE CONTACTS OF SAID SECOND SWITCH, MEANS CONNECTING THE THIRD TERMINAL OF SAID SECOND CONTROL MEANS WITH ONE OF THE CONTACTS OF SAID FIRST SWITCH, MEANS CONNECTING ANOTHER TERMINAL OF SAID FIRST CONTROL MEANS AND SAID FOURTH TERMINAL OF SAID SECOND CONTROL MEANS WITH ONE SIDE OF SAID SPEED RESPONSIVE SWITCHING MEANS, AND MEANS CONNECTING THE OPPOSITE SIDE OF SAID SPEED RESPONSIVE SWITCHING MEANS AND SAID SECOND TERMINAL OF SAID SECOND CONTROL MEANS WITH THE OTHER SIDE OF SAID SOURCE OF DIRECT CURRENT, SAID SPEED RESPONSIVE SWITCHING MEANS AND SAID SECOND CONTROL MEANS THEREBY BEING OPERATIVE TO CONTROL THE ELECTRICAL ENERGIZATION AND DEENERGIZATION OF SAID FIRST CONTROL MEANS.

References Cited (Backward Citations)

US2916100A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-08-02 1969-02-01 1969-08-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-08-02 1973-02-01 1973-08-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-08-02 1977-02-01 1977-08-03 $7700.00 Window Closed / Lapsed

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