Patent US3100523A successfully refreshed from Google Patents.
US3100523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchanger
Assignee: Borg Warner Corp
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Filing: 1959-05-29
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Granted: 1963-08-13
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Expires: 1979-05-29
Abstract
No abstract record available.
Inventors
- 👤 Fernando G Marrujo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:02
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)
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 |