The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 27, 1982
Filed:
Aug. 07, 1979
James D Davidson, Pontiac, MI (US);
Other;
Abstract
A thermal shutter device with vertical travel for use in combination with a window unit comprising a window frame & glass panels mounted in the window frame which is installed in a building outer periphery walls such as a dwelling, this device which is a thermal insulation construction comprising at least two thermal shutters with vertical travel & means to seal said thermal shutter device to create a sealed chamber between shutter device & window construction, the shutters can be of laminate construction with rigid insulation mounted in vertical track allowing shutters to slide up & down on compressible insulation slide means, when in closed mode they will greatly reduce heat transfer or infiltration either direction through said window construction, therefore reducing energy used to heat or cool said building, therefore helping our countries energy conservation program.