US3173481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchanger
Assignee: Modine Manufacturing Co
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Filing: 1962-09-24
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Granted: 1965-03-16
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Expires: 1982-09-24
Abstract
No abstract record available.
Inventors
- 👤 Howard J Barkley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:48
CPC Classifications
F; F28; F28F; F28F9/00; F28D; F28D7/00; F28D7/16; F28D7/1684; F28F1/00; F28F1/10; F28F1/12; Y; Y10; Y10S; Y10S165/00; Y10S165/355; Y10S165/40; Y10S165/401; Y10S165/405
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A HEAT EXCHANGER COMPRISING A PLURALITY OF PARALLEL AND SPACED-APART TUBES HAVING OPPOSITELY DISPOSED OPEN END PORTIONS, A HEADER FLUID-TIGHTLY ATTACHED TO EACH OF SAID OPEN END PORTIONS FOR DIRECTING FLUID THROUGH SAID TUBES, A PLURALITY OF FINS DISPOSD BETWEEN SAID TUBES AND BEING BONDED THERETO TO FORM A CORE WITH SAID TUBES AND BEING ARRANGED FOR THE FLOW OF FLUID OVER SAID FINS, SAID TUBES AND SAID FINS EXTENDING TO COMMON PLANES ON OPPOSITE SIDES OF SAID CORE, A CASING FLUID-TIGHTLY DISPOSED IN PLANAR CONTACT WITH BOTH SAID TUBES AND SAID FINS ON SAID OPPOSITE SIDES AND AROUND THE ENTIRE PERIPHERY OF SAID CORE ENDLESSLY IN THE DIRECTION TRANSVERSE TO THE AXES OF SAID TUBES AND INTERMEDIATE SAID HEADERS AND BEING BONDED TO SAID CORE AND TO SAID HEADERS FOR CONTAINMENT OF THE FLUID FLOWING OVER SAID FINS AND FOR STRENGTHENING SAID EXCHANGER, AND A FLUID INLET AND A FLUID OUTLET MEANS ON SAID CASING FOR DIRECTING FLUID FLOW THROUGH SAID CORE.
Claim 2
Dependent Claim
163 words
A HEAT EXCHANGER COMPRISING A PLURALITY OF PARALLEL AND SPACED-APART TUBES HAVING OPPOSITELY DISPOSED OPEN END PORTIONS, A HEADER FLUID-TIGHTLY ATTACHED TO EACH OF SAID OPEN END PORTIONS FOR DIRECTING FLUID THROUGH SAID TUBES, A PLURALITY OF FINS DISPOSD BETWEEN SAID TUBES AND BEING BONDED THERETO TO FORM A CORE WITH SAID TUBES AND BEING ARRANGED FOR THE FLOW OF FLUID OVER SAID FINS, SAID TUBES AND SAID FINS EXTENDING TO COMMON PLANES ON OPPOSITE SIDES OF SAID CORE, A CASING FLUID-TIGHTLY DISPOSED IN PLANAR CONTACT WITH BOTH SAID TUBES AND SAID FINS ON SAID OPPOSITE SIDES AND AROUND THE ENTIRE PERIPHERY OF SAID CORE ENDLESSLY IN THE DIRECTION TRANSVERSE TO THE AXES OF SAID TUBES AND INTERMEDIATE SAID HEADERS AND BEING BONDED TO SAID CORE AND TO SAID HEADERS FOR CONTAINMENT OF THE FLUID FLOWING OVER SAID FINS AND FOR STRENGTHENING SAID EXCHANGER, AND A FLUID INLET AND A FLUID OUTLET MEANS ON SAID CASING FOR DIRECTING FLUID FLOW THROUGH SAID CORE.
References Cited (Backward Citations)
US1673409A
Cited
US1830375A
Cited
US2499901A
Cited
US2686957A
Cited
US2804284A
Cited
US2877000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |