Patent US3322190A successfully refreshed from Google Patents.
US3322190A
Expired / Lapsed
US
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Radiator and method of manufacture therefor
Assignee: Garrett Corp
•
Filing: 1962-03-01
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Granted: 1967-05-30
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Expires: 1982-03-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Alfred L Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:46
CPC Classifications
F; F28; F28D; F28D1/00; F28D1/02; F28D1/04; F28D1/047; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49826; Y10T29/49863; Y10T29/49867
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A RADIATOR WHICH COMPRISES: (A) A HEAT CONDUCTIVE MEMBRANE HAVING A FIRST SURFACE FOR ABSORBING HEAT AND A SECOND SURFACE FOR RADIATING SAID HEAT, SAID MEMBRANE BEING PRE-STRESSED IN TENSION; (B) A SUPPORTING FRAME DISPOSED BIAXIALLY OF SAID MEM-
Claim 2
Dependent Claim
39 words
A RADIATOR WHICH COMPRISES: (A) A HEAT CONDUCTIVE MEMBRANE HAVING A FIRST SURFACE FOR ABSORBING HEAT AND A SECOND SURFACE FOR RADIATING SAID HEAT, SAID MEMBRANE BEING PRE-STRESSED IN TENSION; (B) A SUPPORTING FRAME DISPOSED BIAXIALLY OF SAID MEM-
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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) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |