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US3306056A Expired / Lapsed US ⏱️ 0.0 years remaining

Air conditioning and refrigeration systems for use in automobiles

Assignee: Individual
•
Filing: 1965-08-09
•
Granted: 1967-02-28
•
Expires: 1985-08-09
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Abstract

No abstract record available.

Inventors

  • 👤 Mildred M Kennedy

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 12:42
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00007

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 194 words
A REFRIGERATION AND AIR CONDITIONING APPARATUS FOR USE ON A GASOLINE POWERED VEHICLE HAVING A GASOLINE STORAGE TANK THEREON COMPRISING: A HEAT EXCHANGE TUBING COIL; A GASOLINE INLET CONDUIT EXTENDING INTO THE HEAT EXCHANGE COIL FROM ONE END THEREOF WITH THE GASOLINE INLET CONDUIT BEING ADAPTED FOR CONNECTION AT ITS END OUTSIDE THE HEAT EXCHANGE COIL TO THE GASOLINE STORAGE TANK OF THE AUTOMOBILE; AN AIR INDUCTION LINE OPEN TO THE ATMOSPHERE AT ONE OF ITS ENDS AND HAVING ITS OTHER END EXTENDED INTO THE HEAT EXCHANGE COIL AND TERMINATING IN SPACED RELATION TO THE END OF THE GASOLINE INLET CONDUIT INSIDE THE HEAT EXCHANGE COIL; A SOURCE OF VACUUM; VACUUM CONDUIT MEANS CONNECTING SAID SOURCE OF VACUUM TO THE HEAT EXCHANGE COIL FOR REDUCING THE PRESSURE WITHIN THE COIL OVER A MAJOR PORTION OF THE LENGTH OF THE COIL; A TRAP IN SAID VACUUM CONDUIT MEANS BETWEEN THE SOURCE OF VACUUM AND THE HEAT EXCHANGE COIL FOR TRAPPING LIQUID GASOLINE PULLED FROM THE HEAT EXCHANGE COIL THROUGH THE VACUUM CONDUIT MEANS TOWARD THE SOURCE OF VACUUM; AND A GASOLINE RETURN LINE CONNECTED BETWEEN THE TRAP AND THE GASOLINE STORAGE TANK ON THE AUTOMOBILE.
Claim 2
Dependent Claim 194 words
A REFRIGERATION AND AIR CONDITIONING APPARATUS FOR USE ON A GASOLINE POWERED VEHICLE HAVING A GASOLINE STORAGE TANK THEREON COMPRISING: A HEAT EXCHANGE TUBING COIL; A GASOLINE INLET CONDUIT EXTENDING INTO THE HEAT EXCHANGE COIL FROM ONE END THEREOF WITH THE GASOLINE INLET CONDUIT BEING ADAPTED FOR CONNECTION AT ITS END OUTSIDE THE HEAT EXCHANGE COIL TO THE GASOLINE STORAGE TANK OF THE AUTOMOBILE; AN AIR INDUCTION LINE OPEN TO THE ATMOSPHERE AT ONE OF ITS ENDS AND HAVING ITS OTHER END EXTENDED INTO THE HEAT EXCHANGE COIL AND TERMINATING IN SPACED RELATION TO THE END OF THE GASOLINE INLET CONDUIT INSIDE THE HEAT EXCHANGE COIL; A SOURCE OF VACUUM; VACUUM CONDUIT MEANS CONNECTING SAID SOURCE OF VACUUM TO THE HEAT EXCHANGE COIL FOR REDUCING THE PRESSURE WITHIN THE COIL OVER A MAJOR PORTION OF THE LENGTH OF THE COIL; A TRAP IN SAID VACUUM CONDUIT MEANS BETWEEN THE SOURCE OF VACUUM AND THE HEAT EXCHANGE COIL FOR TRAPPING LIQUID GASOLINE PULLED FROM THE HEAT EXCHANGE COIL THROUGH THE VACUUM CONDUIT MEANS TOWARD THE SOURCE OF VACUUM; AND A GASOLINE RETURN LINE CONNECTED BETWEEN THE TRAP AND THE GASOLINE STORAGE TANK ON THE AUTOMOBILE.

References Cited (Backward Citations)

US2517156A Cited
US2872790A Cited
US3130554A Cited
US3170302A Cited
US3166912A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-02-27 1970-08-29 1971-02-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-02-27 1974-08-29 1975-02-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-02-27 1978-08-29 1979-02-28 $7700.00 Window Closed / Lapsed

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