Patent US3277884A successfully refreshed from Google Patents.
US3277884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pan-type solar collector
Assignee: Individual
•
Filing: 1964-11-02
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Granted: 1966-10-11
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Expires: 1984-11-02
Abstract
No abstract record available.
Inventors
- 👤 Richard J Rowekamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:19
CPC Classifications
F; F24; F24S; F24S10/00; F24S10/10; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/44; Y10; Y10S; Y10S126/00; Y10S126/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A HEAT ACCUMULATOR FOR COLLECTING SOLAR ENERGY IN A LIQUID, WHICH COMPRISES AN ALUMINUM ALLOY PAN HAVING IN BASE, SIDE WALLS AND END WALLS EXTENDING UPWARDLY FROM SAID BASE, A SHEET OF TRANSPARENT MATERIAL MOUNTED ON UPPER PORTIONS OF THE SIDE AND END WALLS SPACED FROM THE BASE TO FORM IN ENCLOSED SPACE THEREBETWEEN, SAID ALUMINUM ALLOY PAN INCLUDING 2% SILICON AND 1% MAGANESE THEREIN, MEANS FOR MOUNTING THE PAN WITH THE TRANSPARENT SHEET FACING THE MERIDIAN SUN, THERMAL INSULATION BETWEEN THE BASE OF THE PAN AND THE MOUNTING MEANS, MEANS FOR INTRODUCING WATER WHICH CONTAINS SMALL
Claim 2
Dependent Claim
97 words
A HEAT ACCUMULATOR FOR COLLECTING SOLAR ENERGY IN A LIQUID, WHICH COMPRISES AN ALUMINUM ALLOY PAN HAVING IN BASE, SIDE WALLS AND END WALLS EXTENDING UPWARDLY FROM SAID BASE, A SHEET OF TRANSPARENT MATERIAL MOUNTED ON UPPER PORTIONS OF THE SIDE AND END WALLS SPACED FROM THE BASE TO FORM IN ENCLOSED SPACE THEREBETWEEN, SAID ALUMINUM ALLOY PAN INCLUDING 2% SILICON AND 1% MAGANESE THEREIN, MEANS FOR MOUNTING THE PAN WITH THE TRANSPARENT SHEET FACING THE MERIDIAN SUN, THERMAL INSULATION BETWEEN THE BASE OF THE PAN AND THE MOUNTING MEANS, MEANS FOR INTRODUCING WATER WHICH CONTAINS SMALL
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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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |