US3147802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat radiator
Assignee: Astro Dynamics Inc
•
Filing: 1961-08-04
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Granted: 1964-09-08
•
Expires: 1981-08-04
Abstract
No abstract record available.
Inventors
- 👤 Katz Leonhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:01
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/10; F28F1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A HEAT RADIATOR CONSTITUED BY A SINGLE H-SHAPED PIECE OF HEAT-CONDUCTIVE MATERIAL INCLUDING A PAIR OF PARALLEL LEG PLATES HAVING CENTRAL PORTIONS CONNECTED BY A TRANSVERSE THERMAL BUS BAR, EACH OF SAID PLATES HAVING A PLURALITY OF PARALLEL FINS EXTENDING TRANSVERSELY THEREFROM AT OPPOSITE SIDES THEREOF, EACH OF SAID FINS HAVING ONLY ONE FLANGE, EACH FLANGE TERMINATING AND EXTENDING TRANSVERSELY FROM ITS FIN IN A PLANE PARALLEL TO THE ASSOCIATED PLATE, SAID BUS BAR HAVING MEANS FOR MOUNTING A HEAT GENERATING ELEMENT THEREON IN HEAT CONDUCTIVE CONTACT THEREWITH, WHEREBY OPTIMUM DISSIPATION OF HEAT FROM SAID ELEMENT IS AC-
Claim 2
Dependent Claim
98 words
A HEAT RADIATOR CONSTITUED BY A SINGLE H-SHAPED PIECE OF HEAT-CONDUCTIVE MATERIAL INCLUDING A PAIR OF PARALLEL LEG PLATES HAVING CENTRAL PORTIONS CONNECTED BY A TRANSVERSE THERMAL BUS BAR, EACH OF SAID PLATES HAVING A PLURALITY OF PARALLEL FINS EXTENDING TRANSVERSELY THEREFROM AT OPPOSITE SIDES THEREOF, EACH OF SAID FINS HAVING ONLY ONE FLANGE, EACH FLANGE TERMINATING AND EXTENDING TRANSVERSELY FROM ITS FIN IN A PLANE PARALLEL TO THE ASSOCIATED PLATE, SAID BUS BAR HAVING MEANS FOR MOUNTING A HEAT GENERATING ELEMENT THEREON IN HEAT CONDUCTIVE CONTACT THEREWITH, WHEREBY OPTIMUM DISSIPATION OF HEAT FROM SAID ELEMENT IS AC-
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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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |