US3315731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle air conditioner
Assignee: Modine Manufacturing Co
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Filing: 1965-05-04
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Granted: 1967-04-25
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Expires: 1985-05-04
Abstract
No abstract record available.
Inventors
- 👤 Arnold E Jensen
- 👤 Grant H Jacobson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:20
CPC Classifications
F; F28; F28D; F28D1/00; F28D1/02; F28D1/04; F28D1/0408; F28D1/0426; F28D1/0443; B; B60; B60H; B60H1/00; B60H1/32; B60H1/3204; B60H1/3227
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
133 words
IN AN AUTOMOTIVE VEHICLE HAVING AN ENGINE WITH LIQUID COOLANT AND A COOLING RADIATOR FOR SAID COOLANT, APPARATUS COMPRISING: AN AUXILIARY RADIATOR FOR SAID COOLANT; A REFRIGERANT CONDENSER FOR AN AIR CONDITIONING SYSTEM FOR SAID VEHICLE; MEANS FOR COOLING SAID RADIATOR, AUXILIARY RADIATOR AND SAID CONDENSER, MEANS FOR DIRECTING SAID LIQUID FROM SAID ENGINE THROUGH SAID REDIATOR; MEANS FOR DIRECTING REFRIGERANT AS DESIRED THROUGH SAID CONDENSER; A HOT LIQUID SPACE HEATER; MEANS FOR FLOWING COOLANT FROM SAID ENGINE THROUGH SAID HEATER; MEANS FOR FLOWING REGRIGERANT THROUGH SAID CONDENSER; AND MEANS FOR BOTH DISCONTINUING COOLANT FLOW THROUGH SAID HEATER AND FOR FLOWING COOLANT FROM SAID ENGINE THROUGH SAID AUXILIARY RADIATOR DURING SAID REFRIGERANT FLOW THROUGH SAID CONDENSER, SO THAT SAID AUXILIARY RADIATOR SUPPLEMENTS SAID RADIATOR IN COOLING SAID COOLANT DURING COOLING OF SAID CONDENSER.
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) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |