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. 09, 2002
Filed:
Jan. 26, 2000
Applicant:
Inventor:
Richard Keatch, Aberdeen AB2 1HY, GB;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04B 4/902 ;
U.S. Cl.
CPC ...
G04B 4/902 ;
Abstract
A sundial for indicating the time of day using the position of the sun having a labyrinthine body with a plurality of pathways connecting a first and said second face, each pathway being adapted either to transmit said ray of light from an entry end at the first face to an exit end at the second face or to absorb said ray of light depending on the solar position so that the second face indicates visibly the time of day.
Quick Actions:
Keatch, Richard. (2002). Sundial (U.S. Patent No. 6367158). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6367158
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