Patent US3262495A successfully refreshed from Google Patents.
US3262495A
Expired / Lapsed
US
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Heat transfer core structure
Assignee: Valeo Engine Cooling Inc
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Filing: 1961-12-21
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Granted: 1966-07-26
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Expires: 1981-12-21
Abstract
No abstract record available.
Inventors
- 👤 Gordon F Baird
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:18
CPC Classifications
F; F28; F28F; F28F3/00; F28F3/02; F28F3/025; F28F3/027; F28D; F28D1/00; F28D1/02; F28D1/03; F28D1/0308; F28D1/0316; Y; Y10; Y10S; Y10S165/00; Y10S165/355; Y10S165/442; Y10S165/443; Y10S165/446; Y10S165/447
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN A HEAT EXCHANGE CORE, AT LEAST TWO PAIRS OF PRIMARY STRIPS, LATERALLY OFFSET OPPOSED ZIGZAG MARGINS ON SAID STRIPS INTERENGAGEABLE TO CREATE IN EACH PAIR A LENGTHWISE WATER PASSAGE THEREBETWEEN WHEN SUITABLY BONDED TOGETHER, THE WALLS FORMING SAID PASSAGE BEING PARALLEL AND FORMING A ZIG-ZAG WATER COURSE BETWEEN SAID PRIMARY STRIPS INCLUDING PARALLEL UNIFORMLY SPACED OUTWARDLY EXTENDING TRANSVERSE RIBS, THE VALLEYS BETWEEN SAID RIBS BEING CO-PLANER WITH THE LATERALLY OUTWARDLY EXTENDING PORTIONS OF SAID MARGINS WHEREBY TO PROVIDE AN EDGE TO EDGE SEAT FOR SUITABLE EDGE TO EDGE BENDS OF A SECONDARY SPACER STRIP AND A SECONDARY SPACER STRIP BETWEEN THE TWO PAIRS OF PRIMARY STRIPS SEATED ON SAID EDGE TO EDGE SEAT OF SAID PRIMARY STRIPS AND DEFINING AN AIR PASSAGE THEREBETWEEN.
Claim 2
Dependent Claim
124 words
IN A HEAT EXCHANGE CORE, AT LEAST TWO PAIRS OF PRIMARY STRIPS, LATERALLY OFFSET OPPOSED ZIGZAG MARGINS ON SAID STRIPS INTERENGAGEABLE TO CREATE IN EACH PAIR A LENGTHWISE WATER PASSAGE THEREBETWEEN WHEN SUITABLY BONDED TOGETHER, THE WALLS FORMING SAID PASSAGE BEING PARALLEL AND FORMING A ZIG-ZAG WATER COURSE BETWEEN SAID PRIMARY STRIPS INCLUDING PARALLEL UNIFORMLY SPACED OUTWARDLY EXTENDING TRANSVERSE RIBS, THE VALLEYS BETWEEN SAID RIBS BEING CO-PLANER WITH THE LATERALLY OUTWARDLY EXTENDING PORTIONS OF SAID MARGINS WHEREBY TO PROVIDE AN EDGE TO EDGE SEAT FOR SUITABLE EDGE TO EDGE BENDS OF A SECONDARY SPACER STRIP AND A SECONDARY SPACER STRIP BETWEEN THE TWO PAIRS OF PRIMARY STRIPS SEATED ON SAID EDGE TO EDGE SEAT OF SAID PRIMARY STRIPS AND DEFINING AN AIR PASSAGE THEREBETWEEN.
References Cited (Backward Citations)
US2011854A
Cited
US2083671A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |