US3266567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchanger
Assignee: Borg Warner Corp
•
Filing: 1964-10-29
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Granted: 1966-08-16
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Expires: 1984-10-29
Abstract
No abstract record available.
Inventors
- 👤 Edward P Oddy
- 👤 Kinal Lubomyr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:49
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/24; F28F1/32; F28F1/325; F28F2240/00; Y; Y10; Y10S; Y10S165/00; Y10S165/454; Y10S165/471; Y10S165/49
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A SELF-STACKING HEAT EXCHANGER COMPRISING SUPPLY AND RECEIVING HEADERS, A PLURALITY OF SPACED TUBES INTERCONNECTING SAID HEADERS, SAID TUBES BEING ARRANGED IN GENERALLY PARALLEL RELATION, AND A PLURALITY OF FINS IN SUPERPOSED PARALLEL RELATION CONNECTED TO SAID TUBES, SAID FINS EACH HAVING A PLURALITY OF SPACER ELEMENTS INTEGRAL THEREWITH, SAID SPACER ELEMENTS INCLUDING A MAIN BODY PORTION EXTENDING GENERALLY PERPENDICULAR TO THE PLANE OF EACH SAID FIN, SAID BODY PORTION HAVING A PAIR OF END PORTION AND TOWARD EACH OTHER AND A THIRD EDGE ADAPTED TO ENGAGE AN ADJACENT FIN.
Claim 2
Dependent Claim
90 words
A SELF-STACKING HEAT EXCHANGER COMPRISING SUPPLY AND RECEIVING HEADERS, A PLURALITY OF SPACED TUBES INTERCONNECTING SAID HEADERS, SAID TUBES BEING ARRANGED IN GENERALLY PARALLEL RELATION, AND A PLURALITY OF FINS IN SUPERPOSED PARALLEL RELATION CONNECTED TO SAID TUBES, SAID FINS EACH HAVING A PLURALITY OF SPACER ELEMENTS INTEGRAL THEREWITH, SAID SPACER ELEMENTS INCLUDING A MAIN BODY PORTION EXTENDING GENERALLY PERPENDICULAR TO THE PLANE OF EACH SAID FIN, SAID BODY PORTION HAVING A PAIR OF END PORTION AND TOWARD EACH OTHER AND A THIRD EDGE ADAPTED TO ENGAGE AN ADJACENT FIN.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |