Vehicle engine coolant condition indicator
First Claim
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1. AN INDICATING DEVICE COMPRISING:
- AN ELECTRICAL POWER SOURCE;
INDICATING MEANS, MEANS CONNECTING ONE SIDE OF SAID INDICATING MEANS TO ONE SIDE OF SAID POWER SOURCE;
FIRST MEANS RESPONSIVE TO A FIRST TEMPERATURE RANGE TO ESTABLISH A CONDUCTIVE PATH BETWEEN THE OPPOSITE SIDE OF SAID ELECTRICAL POWER SOURCE AND THE INDICATING MEANS;
SECOND MEANS RESPONSIVE TO A SECOND TEMPERATURE RANGE;
AND THIRD MEANS RESPONSIVE TO A PRESSURE RANGE AND COOP-
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1 Claim
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1. AN INDICATING DEVICE COMPRISING:
- AN ELECTRICAL POWER SOURCE;
INDICATING MEANS, MEANS CONNECTING ONE SIDE OF SAID INDICATING MEANS TO ONE SIDE OF SAID POWER SOURCE;
FIRST MEANS RESPONSIVE TO A FIRST TEMPERATURE RANGE TO ESTABLISH A CONDUCTIVE PATH BETWEEN THE OPPOSITE SIDE OF SAID ELECTRICAL POWER SOURCE AND THE INDICATING MEANS;
SECOND MEANS RESPONSIVE TO A SECOND TEMPERATURE RANGE;
AND THIRD MEANS RESPONSIVE TO A PRESSURE RANGE AND COOP-
- AN ELECTRICAL POWER SOURCE;
Specification