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US3100523A Expired / Lapsed US ⏱️ 0.0 years remaining

Heat exchanger

Assignee: Borg Warner Corp
•
Filing: 1959-05-29
•
Granted: 1963-08-13
•
Expires: 1979-05-29
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Abstract

No abstract record available.

Inventors

  • 👤 Fernando G Marrujo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 08:09
CPC Classifications
F; F28; F28D; F28D7/00; F28D7/02; F28D7/024; Y; Y10; Y10S; Y10S165/00; Y10S165/355; Y10S165/40; Y10S165/401; Y10S165/405; Y10S165/407; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49362

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 113 words
A HEAT EXCHANGER COMPRISING: A BASE, A HOUSING REMOVABLY DISPOSED UPON SAID BASE, SAID BASE HAVING A TUBULAR SUPPORT EXTENDING INTO SAID HOUSING, A HEAT EXCHANGER COIL HAVING A SECTION EXTENDING THROUGH SAID BASE WITHIN SAID TUBULAR SUPPORT, A PLURALITY OF COILS DISPOSED ABOUT THE TUBULAR SUPPORT IN ENGAGEMENT WITH SAID SUPPORT AND A SECTION EXTENDING THROUGH SAID BASE EXTERNALLY OF SAID TUBULAR SUPPORT, A SLEEVE SURROUNDING SAID COILS IN ENGAGEMENT THEREWITH SO AS TO FORM WITH SAID TUBULAR SUPPORT A HELICAL COOLING FLUID FLOW PATH LEADING BETWEEN SAID COILS, SAID BASE HAVING AN INLET LEADING TO THE SPACE BETWEEN SAID TUBULAR SUPPORT AND SAID SLEEVE, AND AN OUTLET LEADING FROM SAID HOUSING.
Claim 2
Dependent Claim 113 words
A HEAT EXCHANGER COMPRISING: A BASE, A HOUSING REMOVABLY DISPOSED UPON SAID BASE, SAID BASE HAVING A TUBULAR SUPPORT EXTENDING INTO SAID HOUSING, A HEAT EXCHANGER COIL HAVING A SECTION EXTENDING THROUGH SAID BASE WITHIN SAID TUBULAR SUPPORT, A PLURALITY OF COILS DISPOSED ABOUT THE TUBULAR SUPPORT IN ENGAGEMENT WITH SAID SUPPORT AND A SECTION EXTENDING THROUGH SAID BASE EXTERNALLY OF SAID TUBULAR SUPPORT, A SLEEVE SURROUNDING SAID COILS IN ENGAGEMENT THEREWITH SO AS TO FORM WITH SAID TUBULAR SUPPORT A HELICAL COOLING FLUID FLOW PATH LEADING BETWEEN SAID COILS, SAID BASE HAVING AN INLET LEADING TO THE SPACE BETWEEN SAID TUBULAR SUPPORT AND SAID SLEEVE, AND AN OUTLET LEADING FROM SAID HOUSING.

References Cited (Backward Citations)

US1480954A Cited
US2446054A Cited
US2668692A Cited
US2736533A Cited
US2888251A Cited

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

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