US3149667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Core-unit for vehicular-radiator-type heat exchanger and protective shields therefor
Assignee: Young Radiator Co
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Filing: 1962-09-24
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Granted: 1964-09-22
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Expires: 1982-09-24
Abstract
No abstract record available.
Inventors
- 👤 William V Astrup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:41
CPC Classifications
F; F28; F28F; F28F19/00; F28F19/002; F28D; F28D1/00; F28D1/02; F28D1/04; F28D1/053; F28D1/0535; F28F1/00; F28F1/10; F28F1/12; F28F1/24; F28F1/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A HEAT-EXCHANGER CORE-UNIT OF THE CLASS DESCRIBED COMPRISING, (A) A BATTERY OF TUBES ARRANGED IN PARALLEL RELATIONSHIP, (B) AN ARCUATE-SHAPED SHIELD OF CONTINUOUS UNBROKEN AREA THROUGHOUT ITS ENTIRE LENGTH CONTACTIVELY EMBRACING THE ENTIRE PERIPHERY OF THE LEADING EDGE OF EACH TUBE THROUGHOUT SUBSTANTIALLY THE ENTIRE LENGTH OF THE TUBE, AND (C) A STACK OF HEAT-DISSIPATING FINS ARRANGED ON THE TUBES IN CLOSELY-SPACED POSITION TO EACH OTHER EACH HAVING A SERIES OF TUBE OPENINGS WHEREBY EACH FIN CONTACTIVELY EMBRACES THE PERIPHERIES OF THE RESPECTIVE SHIELD AND THE PERIPHERIES OF THE RESPECTIVE TUBES REARWARDLY OF THE SHIELDS.
Claim 2
Dependent Claim
95 words
A HEAT-EXCHANGER CORE-UNIT OF THE CLASS DESCRIBED COMPRISING, (A) A BATTERY OF TUBES ARRANGED IN PARALLEL RELATIONSHIP, (B) AN ARCUATE-SHAPED SHIELD OF CONTINUOUS UNBROKEN AREA THROUGHOUT ITS ENTIRE LENGTH CONTACTIVELY EMBRACING THE ENTIRE PERIPHERY OF THE LEADING EDGE OF EACH TUBE THROUGHOUT SUBSTANTIALLY THE ENTIRE LENGTH OF THE TUBE, AND (C) A STACK OF HEAT-DISSIPATING FINS ARRANGED ON THE TUBES IN CLOSELY-SPACED POSITION TO EACH OTHER EACH HAVING A SERIES OF TUBE OPENINGS WHEREBY EACH FIN CONTACTIVELY EMBRACES THE PERIPHERIES OF THE RESPECTIVE SHIELD AND THE PERIPHERIES OF THE RESPECTIVE TUBES REARWARDLY OF THE SHIELDS.
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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |