Patent US3100391A successfully refreshed from Google Patents.
US3100391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automotive cooling system tester
Assignee: AUTO TEST Inc
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Filing: 1957-12-26
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Granted: 1963-08-13
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Expires: 1977-12-26
Abstract
No abstract record available.
Inventors
- 👤 Mansfield Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:57
CPC Classifications
F; F01; F01P; F01P11/00; G; G01; G01K; G01K1/00; G01K1/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
167 words
IN A COOLING SYSTEM TESTER FOR AN INTERNAL COMBUSTION ENGINE EMPLOYING LIQUID COOLANT AND HAVING A RADIATOR AND A THERMOSTAT, A HOUSING HAVING A CHAMBER THEREIN, SAID CHAMBER HAVING AN OPENING THEREFROM, SAID HOUSING INCLUDING MEANS AT SAID OPENING FOR SECURING SAID HOUSING TO THE FILLER NECK OF THE RADIATOR OF SAID ENGINE, A SECOND OPENING THEREFROM, SAID HOUSING INCLUDING MEANS AT SAID SECOND OPENING FOR SECURING THE USUAL RADIATOR CAP FOR SAID RADIATOR AT SAID SECOND OPENING, MEANS OPERATIVELY CONNECTED TO SAID CHAMBER FOR MEASURING THE PRESSURE WITHIN SAID CHAMBER AND SAID COOLING SYSTEM, AND MEANS OPERATIVELY CONNECTED TO SAID CHAMBER FOR MEASURING THE TEMPERATURE OF THE COOLANT AT SAID FILLER NECK INCLUDING A VAPOR BULB EXTENDING IN THE COOLANT AT SAID FILLER NECK, SAID RADIATOR CAP BEING ADAPTED TO BE SECURED TO SAID SECOND OPENING WHEN THE DYNAMIC CONDITION OF SAID RADIATOR CAP, SAID RADIATOR, AND SAID THERMOSTAT ARE BEING TESTED AND SAID HOUSING IS SECURED TO SAID FILLER NECK AT ITS SAID FIRST OPENING.
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) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |