US3176679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solar energy collector
Assignee: Engelhard Industries Inc
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Filing: 1963-10-09
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Granted: 1965-04-06
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Expires: 1983-10-09
Abstract
No abstract record available.
Inventors
- 👤 Robert C Langley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:53
CPC Classifications
F; F24; F24S; F24S70/00; F24S70/30; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y10; Y10S; Y10S126/00; Y10S126/907; Y10S165/00; Y10S165/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A SOLAR ENERGY COLLECTOR COMPRISING A THERMALLY CONDUCTIVE BASE, A SOLAR ENERGY-ABSORPTIVE RECEIVER LAYER OVER THE BASE, THE RECEIVER LAYER COMPRISING AN INTIMATE FUSED MIXTURE OF GOLD AND GLASS, A BARRIER LAYER OF A THERMALLY REFRACTORY MATERIAL INTERMEDIATE THE BASE AND THE RECEIVER LAYER, AND AN OPTICALLY-INTERFERING THIN LAYER OF A SOLAR ENERGY-TRANSMITTING THERMALLY REFRACTORY MATERIAL OVER THE RECEIVER LAYER.
Claim 2
Dependent Claim
60 words
A SOLAR ENERGY COLLECTOR COMPRISING A THERMALLY CONDUCTIVE BASE, A SOLAR ENERGY-ABSORPTIVE RECEIVER LAYER OVER THE BASE, THE RECEIVER LAYER COMPRISING AN INTIMATE FUSED MIXTURE OF GOLD AND GLASS, A BARRIER LAYER OF A THERMALLY REFRACTORY MATERIAL INTERMEDIATE THE BASE AND THE RECEIVER LAYER, AND AN OPTICALLY-INTERFERING THIN LAYER OF A SOLAR ENERGY-TRANSMITTING THERMALLY REFRACTORY MATERIAL OVER THE RECEIVER LAYER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |