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:
Aug. 12, 1997
Filed:
Aug. 09, 1996
Applicant:
Inventors:
David A DeBlock, Holland, MI (US);
Gwen H Kramer, Charlevoix, MI (US);
Ronald L Sitzema, Jr, Ellsworth, MI (US);
Assignee:
ODL, Incorporated, Zeeland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04D / ; G02B / ;
U.S. Cl.
CPC ...
52200 ; 359591 ;
Abstract
A tubular skylight having an improved dome improving the efficiency of the skylight. The dome includes an integral prism in a portion of its outer surface to reflect light downwardly through the skylight. The dome is hemispherical, and the prism includes a plurality of grooves extending along great circles that pass through the apex of the dome. The prism covers only an angular segment of the hemispherical dome; and the grooves stop short of the apex of the dome.