Patent US3145707A successfully refreshed from Google Patents.
US3145707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solar heat collector
Assignee: Individual
•
Filing: 1958-04-25
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Granted: 1964-08-25
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Expires: 1978-04-25
Abstract
No abstract record available.
Inventors
- 👤 Harry E Thomason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:33
CPC Classifications
F; F24; F24S; F24S70/00; F24S70/60; F24S10/00; F24S10/60; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
IN A SOLAR HEAT COLLECTOR HAVING AN INSULATED BASE, A HEAT-COLLECTING SHEET MOUNTED ON THE BASE, TRANSPARENT COVER MEANS ABOVE AND IN CLOSE PROXIMITY WITH THE HEATCOLLECTING SHEET, MEANS FOR UNIFORMLY DISTRIBUTING FLUID TO AND RETRIEVING FLUID FROM SAID SHEET, AND SUPPORTING AND SECURING MEANS HOLDING THE ELEMENTS, IN PREDETERMINED RELATIONSHIPS, THE IMPROVEMENT WHEREIN THE HEAT-COLLECTING SHEET IS DISTORTED TO PRESENT AN IRREGULAR SURFACE HAVING RAISED PORTIONS SPACED UNIFORMLY ACROSS SAID SHEET, THE MEANS FOR DISTRIBUTING THE FLUID HAS A REGULARLY SPACED PLURALITY OF FLUID DISCHARGE PORTS ALONG AN END OF THE HEATCOLLECTING SHEET, SAID TRANSPARENT COVER MEANS INCLUDES A TRANSPARENT OUTER PROTECTIVE COVER SUBSTANTIALLY PARALLEL TO SAID SHEET AND A TRANSPARENT INNER FLEXIBLE COVER LOOSELY SECURED TO SAID SUPPORRING AND SECURING MEANS OVER SAID MEANS FOR DISTRIBUTING FLUID AND DROOPING TOWARD A POSITION OF CONTACT WITH SAID RAISED PORTIONS BUT NOT EXTENDING TO THE DEPRESSED SURFACES OF SAID IRREGULAR SURFACE OF THE HEAT-COLLECTING SHEET AND FLUID DISTRIBUTED TO SAID SHEET IS RESTRICTED TO FLOW BETWEEN SAID RAISED PORTIONS AND BENEATH SAID TRANSPARENT INNER FLEXIBLE COVER.
Claim 2
Dependent Claim
176 words
IN A SOLAR HEAT COLLECTOR HAVING AN INSULATED BASE, A HEAT-COLLECTING SHEET MOUNTED ON THE BASE, TRANSPARENT COVER MEANS ABOVE AND IN CLOSE PROXIMITY WITH THE HEATCOLLECTING SHEET, MEANS FOR UNIFORMLY DISTRIBUTING FLUID TO AND RETRIEVING FLUID FROM SAID SHEET, AND SUPPORTING AND SECURING MEANS HOLDING THE ELEMENTS, IN PREDETERMINED RELATIONSHIPS, THE IMPROVEMENT WHEREIN THE HEAT-COLLECTING SHEET IS DISTORTED TO PRESENT AN IRREGULAR SURFACE HAVING RAISED PORTIONS SPACED UNIFORMLY ACROSS SAID SHEET, THE MEANS FOR DISTRIBUTING THE FLUID HAS A REGULARLY SPACED PLURALITY OF FLUID DISCHARGE PORTS ALONG AN END OF THE HEATCOLLECTING SHEET, SAID TRANSPARENT COVER MEANS INCLUDES A TRANSPARENT OUTER PROTECTIVE COVER SUBSTANTIALLY PARALLEL TO SAID SHEET AND A TRANSPARENT INNER FLEXIBLE COVER LOOSELY SECURED TO SAID SUPPORRING AND SECURING MEANS OVER SAID MEANS FOR DISTRIBUTING FLUID AND DROOPING TOWARD A POSITION OF CONTACT WITH SAID RAISED PORTIONS BUT NOT EXTENDING TO THE DEPRESSED SURFACES OF SAID IRREGULAR SURFACE OF THE HEAT-COLLECTING SHEET AND FLUID DISTRIBUTED TO SAID SHEET IS RESTRICTED TO FLOW BETWEEN SAID RAISED PORTIONS AND BENEATH SAID TRANSPARENT INNER FLEXIBLE COVER.
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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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |