Patent US3303838A successfully refreshed from Google Patents.
US3303838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solar heat collector
Assignee: Individual
•
Filing: 1965-10-22
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Granted: 1967-02-14
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Harry E Thomason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:30
CPC Classifications
F; F24; F24S; F24S10/00; F24S10/20; F24S10/70; F24S10/72; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/44; Y10; Y10S; Y10S126/00; Y10S126/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
IN A SOLAR HEAT COLLECTOR, A BASE WHICH IS RESISTANT TO FLUID FLOW THERETHROUGH, A LAYER OF FOAM-LIKE MATERIAL SUPERIMPOSED THEREON AND HAVING PASSAGES THERETHROUGH ADJACENT TO SAID BASE FOR THE PASSAGE OF FLUID TO BE HEATED, AND A TRANSPARENT COVER THEREOVER FOR ADMITTING SOLAR ENERGY TO SAID LAYER AND BASE AND FOR MINIMIZING HEAT LOSSES THEREFROM SO AS TO HEAT FLUID PASSING THROUGH THE HEAT COLLECTOR, SAID LAYER OF MATERIAL BEING TRANSPARENT OR TRANSLUCENT TO PERMIT MUCH OF THE SOLAR ENERGY TO PASS
Claim 2
Dependent Claim
84 words
IN A SOLAR HEAT COLLECTOR, A BASE WHICH IS RESISTANT TO FLUID FLOW THERETHROUGH, A LAYER OF FOAM-LIKE MATERIAL SUPERIMPOSED THEREON AND HAVING PASSAGES THERETHROUGH ADJACENT TO SAID BASE FOR THE PASSAGE OF FLUID TO BE HEATED, AND A TRANSPARENT COVER THEREOVER FOR ADMITTING SOLAR ENERGY TO SAID LAYER AND BASE AND FOR MINIMIZING HEAT LOSSES THEREFROM SO AS TO HEAT FLUID PASSING THROUGH THE HEAT COLLECTOR, SAID LAYER OF MATERIAL BEING TRANSPARENT OR TRANSLUCENT TO PERMIT MUCH OF THE SOLAR ENERGY TO PASS
References Cited (Backward Citations)
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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) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |