US3354949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular radiator with fins
Assignee: Renault SA
•
Filing: 1965-01-15
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Granted: 1967-11-28
•
Expires: 1985-01-15
Abstract
No abstract record available.
Inventors
- 👤 Castelet Gaetan De Coye De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:37
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/24; F28F1/26; F28F1/28; F24; F24D; F24D19/00; F24D19/0002; F28D; F28D1/00; F28D1/02; F28D1/04; F28D1/053; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49377; Y10T29/49378
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A FINNED TUBULAR RADIATOR COMPRISING A PLURALITY OF STACKED ELEMENTS, EACH SAID ELEMENT COMPRISING A SUBSTANTIALLY RECTANGULAR PLATE HAVING AT LEAST ONE CONICALLY FLANGED ORIFICE THEREIN, SAID PLATE''S ORIFICE BEING ECCENTRICALLY POSITIONED IN SAID PLATE IN THE UPSTREAM DIRECTION OF GASEOUS FLOW THROUGH THE RADIATOR, THE RATIO OF THE SURFACE AREA OF THE PLATE TO AREA OF THE ORIFICE BEING NO LESS THAN FIVE TO ONE, AT LEAST TWO OPPOSING EDGES OF SAID PLATE HAVING AN ANGLE OF INCLINATION WITH RESPECT TO TJE PLANE OF THE PLATE SO AS TO FORM CLOSE OUTER SIDE PLATES ON SAID RADIATOR, SAID FLANGED PLATE ORIFICE AND SAID OPPOSING EDGES SERVING TO FACILITATE THE CENTERING OF SAID PLATES FORMING SAID STACKED ELEMENTS AND THEREBY DEFINING A FREE SPACE BETWEEN TWO CONTINGUOUS PLATES AND MEANS FOR HOLDING SAID PLATES IN FIXED RELATIONSHIP.
Claim 2
Dependent Claim
137 words
A FINNED TUBULAR RADIATOR COMPRISING A PLURALITY OF STACKED ELEMENTS, EACH SAID ELEMENT COMPRISING A SUBSTANTIALLY RECTANGULAR PLATE HAVING AT LEAST ONE CONICALLY FLANGED ORIFICE THEREIN, SAID PLATE''S ORIFICE BEING ECCENTRICALLY POSITIONED IN SAID PLATE IN THE UPSTREAM DIRECTION OF GASEOUS FLOW THROUGH THE RADIATOR, THE RATIO OF THE SURFACE AREA OF THE PLATE TO AREA OF THE ORIFICE BEING NO LESS THAN FIVE TO ONE, AT LEAST TWO OPPOSING EDGES OF SAID PLATE HAVING AN ANGLE OF INCLINATION WITH RESPECT TO TJE PLANE OF THE PLATE SO AS TO FORM CLOSE OUTER SIDE PLATES ON SAID RADIATOR, SAID FLANGED PLATE ORIFICE AND SAID OPPOSING EDGES SERVING TO FACILITATE THE CENTERING OF SAID PLATES FORMING SAID STACKED ELEMENTS AND THEREBY DEFINING A FREE SPACE BETWEEN TWO CONTINGUOUS PLATES AND MEANS FOR HOLDING SAID PLATES IN FIXED RELATIONSHIP.
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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) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |