Patent US3315727A successfully refreshed from Google Patents.
US3076450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic solar heater
Assignee: Individual
•
Filing: 1961-06-16
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Granted: 1963-02-05
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Expires: 1981-06-16
Abstract
No abstract record available.
Inventors
- 👤 Edward W Gough
- 👤 Paul D Irwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:19
CPC Classifications
F; F24; F24S; F24S10/00; F24S10/50; F24S10/503; F24S10/70; F24S10/73; F24S80/00; F24S80/40; F24S80/45; F24S80/457; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/44; Y10; Y10S; Y10S165/00; Y10S165/904; Y10S165/905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A SOLAR HEATER COMPRISING A RECTANGULAR PLASTIC FRAME INCLUDING INTEGRAL, INTURNED UPPER AND LOWER FLANGES, A MOLDED, RESILIENT PLASTIC, HEAT INSULATIVE CORRUGATED BASE IN THE FRAME ON THE LOWER FLANGE, SAID FRAME CLOSING THE ENDS OF THE CORRUGATIONS, A TRANSPARENT PLASTIC PANEL BRIDGING THE CORRUGATIONS AND SEALINGLY AFFIXED TO THE CRESTS THEREOF AND DEFINING, IN CONJUNCTION THEREWITH, A PLURALITY OF PARALLEL WATER DUCTS, MEANS PROVIDING COMMUNICATION BETWEEN THE DUCTS AT ALTERNATING OPPOSITE ENDS, A BLACK PLASTIC LINER AFFIXED TO THE BASE BELOW THE PANEL
Claim 2
Dependent Claim
84 words
A SOLAR HEATER COMPRISING A RECTANGULAR PLASTIC FRAME INCLUDING INTEGRAL, INTURNED UPPER AND LOWER FLANGES, A MOLDED, RESILIENT PLASTIC, HEAT INSULATIVE CORRUGATED BASE IN THE FRAME ON THE LOWER FLANGE, SAID FRAME CLOSING THE ENDS OF THE CORRUGATIONS, A TRANSPARENT PLASTIC PANEL BRIDGING THE CORRUGATIONS AND SEALINGLY AFFIXED TO THE CRESTS THEREOF AND DEFINING, IN CONJUNCTION THEREWITH, A PLURALITY OF PARALLEL WATER DUCTS, MEANS PROVIDING COMMUNICATION BETWEEN THE DUCTS AT ALTERNATING OPPOSITE ENDS, A BLACK PLASTIC LINER AFFIXED TO THE BASE BELOW THE PANEL
References Cited (Backward Citations)
GB190728130A
Cited
US1889238A
Cited
FR840926A
Cited
US2608968A
Cited
US2705948A
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GB822768A
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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) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |