US3363676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotating heat exchanger
Assignee: North American Aviation Corp
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Filing: 1964-10-05
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Granted: 1968-01-16
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Expires: 1984-10-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank B Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:39
CPC Classifications
F; F28; F28D; F28D11/00; F28D11/02; F28D11/04; F28D7/00; F28D7/10; F28D7/103; F28D21/00; F28D2021/0019; F28D2021/0054; Y; Y10; Y10S; Y10S165/00; Y10S165/135; Y10S165/139; Y10S165/147
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A RADIATOR UTILIZING LIQUID COMPRISING: AT LEAST ONE CIRCULAR DISC, MEANS FOR ROTATING SAID DISC, MEANS FOR DIRECTING LIQUID ADJACENT THE CENTER PORTION OF SAID DISC, WHEREBY SAID LIQUID IS DIRECTED ALONG THE SURFACE OF SAID DISC TO THE OUTER PERIPHERY THEREOF BY CENTRIFUGAL FORCE ONLY AS A THIN FILM ADHERENT TO THE SURFACE OF SAID DISC, SAID LIQUID BEING EXPOSED TO AMBIENT CONDITIONS, AND MEANS FOR REMOVING SAID LIQUID FROM THE PERIPHERY OF SAID DISC.
Claim 2
Dependent Claim
76 words
A RADIATOR UTILIZING LIQUID COMPRISING: AT LEAST ONE CIRCULAR DISC, MEANS FOR ROTATING SAID DISC, MEANS FOR DIRECTING LIQUID ADJACENT THE CENTER PORTION OF SAID DISC, WHEREBY SAID LIQUID IS DIRECTED ALONG THE SURFACE OF SAID DISC TO THE OUTER PERIPHERY THEREOF BY CENTRIFUGAL FORCE ONLY AS A THIN FILM ADHERENT TO THE SURFACE OF SAID DISC, SAID LIQUID BEING EXPOSED TO AMBIENT CONDITIONS, AND MEANS FOR REMOVING SAID LIQUID FROM THE PERIPHERY OF SAID DISC.
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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |