Patent US3250325A successfully refreshed from Google Patents.
US3250325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchange device
Assignee: Ford Motor Co
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Filing: 1965-04-02
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Granted: 1966-05-10
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Expires: 1985-04-02
Abstract
No abstract record available.
Inventors
- 👤 Eugene E Rhodes
- 👤 Alvin M Kurz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:15
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/126; F28F1/128; F28F1/24; F28F1/32; F28F1/325; Y; Y10; Y10S; Y10S165/00; Y10S165/454; Y10S165/471; Y10S165/486; Y10S165/487
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
256 words
IN A HEAT EXCHANGER DEVICE HAVING INLET MEANS, OUTLET MEANS, A CORE INCLUDING AT LEAST TWO CONDUITS ADMITTING OF FLUID FLOW THERETHROUGH AND SPACED APART TO FORM AN AIR PASSAGEWAY THEREBETWEEN AND A SPACER ELEMENT POSITIONED BETWEEN AND IN HEAT EXCHANGE RELATIONSHIP WITH SAID CONDUITS WHICH STRIP INCLUDES A PLURALITY OF FIN ELEMENTS AND CONNECTING MEMBERS WHICH TOGETHER DIVIDE SAID PASSAGEWAY INTO A PLURALITY OF COMMUNICATING AIR CELLS, THE IMPROVEMENT IN SAID SPACER ELEMENT WHICH COMPRISES A FIN ELEMENT BETWEEN EACH PAIR OF OF SAID CONNECTING MEMBERS COMPRISING A PLANAR BASE MEMBER; A PLURALITY OF SPACED APART LOUVERS INTEGRAL WITH SAID BASE MEMBER, ARRANGED IN SPACED APART GROUPS, AND TURNED OUT OF THE PLANE OF SAID PLANAR BASAE MEMBER LEAVING AT LEAST ONE OPENING IN SAID BASE MEMBER ADJACENT EACH OF SAID LOUVERS; AND BETWEEN EACH PAIR OF SAID SPACED GROUPS A TRANSVERSE MEMBER INTEGRAL WITH SAID BASE MEMBER, EACH OF SAID SPACED GROUPS INCLUDING A FIRST DIVERSION LOUVER SUPPORTED BY THE NEXT ADJACENT TRANSVERSE MEMBER AND EXTENDING OUT OF SAID PLANE ON A FIRST SIDE OF SAID BASE MEMBER, A SECOND DIVERSION LOUVER EXTENDING OUT OF SAID PLANE ON A SECOND SIDE OF SAID BAASE MEMBER OPPOSITE SAID FIRST SIDE, AND A PLURALITY OF INTERMEDIATE LOUVERS BETWEEN SAID FIRST DIVERSION LOUVER AND SAID SECOND DIVERSION LOUVER, SAID INTERMEDIATE LOUVERS EXTENDING THROUGH SAID PLANE AND FROM SAID BASE MEMBER ON SAID FIRST SIDE FOR A DISTANCE LESS THAN SAID FIRST DIVERSION LOUVER AND ON SAID SECOND SIDE FOR A DISTANCE LESS THAN SAID SECOND DIVERSION LOUVER.
Claim 2
Dependent Claim
256 words
IN A HEAT EXCHANGER DEVICE HAVING INLET MEANS, OUTLET MEANS, A CORE INCLUDING AT LEAST TWO CONDUITS ADMITTING OF FLUID FLOW THERETHROUGH AND SPACED APART TO FORM AN AIR PASSAGEWAY THEREBETWEEN AND A SPACER ELEMENT POSITIONED BETWEEN AND IN HEAT EXCHANGE RELATIONSHIP WITH SAID CONDUITS WHICH STRIP INCLUDES A PLURALITY OF FIN ELEMENTS AND CONNECTING MEMBERS WHICH TOGETHER DIVIDE SAID PASSAGEWAY INTO A PLURALITY OF COMMUNICATING AIR CELLS, THE IMPROVEMENT IN SAID SPACER ELEMENT WHICH COMPRISES A FIN ELEMENT BETWEEN EACH PAIR OF OF SAID CONNECTING MEMBERS COMPRISING A PLANAR BASE MEMBER; A PLURALITY OF SPACED APART LOUVERS INTEGRAL WITH SAID BASE MEMBER, ARRANGED IN SPACED APART GROUPS, AND TURNED OUT OF THE PLANE OF SAID PLANAR BASAE MEMBER LEAVING AT LEAST ONE OPENING IN SAID BASE MEMBER ADJACENT EACH OF SAID LOUVERS; AND BETWEEN EACH PAIR OF SAID SPACED GROUPS A TRANSVERSE MEMBER INTEGRAL WITH SAID BASE MEMBER, EACH OF SAID SPACED GROUPS INCLUDING A FIRST DIVERSION LOUVER SUPPORTED BY THE NEXT ADJACENT TRANSVERSE MEMBER AND EXTENDING OUT OF SAID PLANE ON A FIRST SIDE OF SAID BASE MEMBER, A SECOND DIVERSION LOUVER EXTENDING OUT OF SAID PLANE ON A SECOND SIDE OF SAID BAASE MEMBER OPPOSITE SAID FIRST SIDE, AND A PLURALITY OF INTERMEDIATE LOUVERS BETWEEN SAID FIRST DIVERSION LOUVER AND SAID SECOND DIVERSION LOUVER, SAID INTERMEDIATE LOUVERS EXTENDING THROUGH SAID PLANE AND FROM SAID BASE MEMBER ON SAID FIRST SIDE FOR A DISTANCE LESS THAN SAID FIRST DIVERSION LOUVER AND ON SAID SECOND SIDE FOR A DISTANCE LESS THAN SAID SECOND DIVERSION LOUVER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |