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US4239344A Expired / Lapsed US ⏱️ 0.0 years remaining

Reflector for solar collectors

Assignee: MAN AG
•
Filing: 1978-08-03
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Granted: 1980-12-16
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Expires: 1998-08-03
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Abstract

Abstract A reflector for solar collectors including a mirror-coated glass plate of which the plate thickness lies below the thickness required for a self-supporting glass plate, and in which the glass plate has the mirror-coated side thereof bonded to a support member, thus providing a high-quality, lightweight structure.

Inventors

  • 👤 Karl Wildenrotter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 19:29
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/08; G02B5/10; F; F24; F24S; F24S23/00; F24S23/70; F24S23/71; F24S23/82; Y; Y02; Y02E; Y02E10/00; Y02E10/40

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 89 words
In a reflector for solar collectors, including a glass plate having one side mirror-coated, the improvement comprising: said glass plate having a thickness less than that required for the glass thickness of a self-supporting glass plate; a support member for said glass plate, said glass plate having the mirror-coated side thereof bonded to said support member, said support member comprising at least one support plate, and rib-like stiffener means being connected with said support plate; and a foil arranged and bonded intermediate said glass plate and said support member.
Claim 2
Dependent Claim 89 words
In a reflector for solar collectors, including a glass plate having one side mirror-coated, the improvement comprising: said glass plate having a thickness less than that required for the glass thickness of a self-supporting glass plate; a support member for said glass plate, said glass plate having the mirror-coated side thereof bonded to said support member, said support member comprising at least one support plate, and rib-like stiffener means being connected with said support plate; and a foil arranged and bonded intermediate said glass plate and said support member.

References Cited (Backward Citations)

US4009947A Cited
US3906927A Cited
US4035065A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-12-16 1984-06-16 1984-12-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-12-16 1988-06-16 1988-12-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-12-16 1992-06-16 1992-12-16 $7700.00 Window Closed / Lapsed

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