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:
Nov. 13, 1990
Filed:
Jan. 10, 1989
Toshiaki Ikegaya, Matsudo, JP;
Takashi Shirahata, Hachioji, JP;
Yasumasa Koyama, Chino, JP;
Minoru Momose, Chino, JP;
Yachiyo Micro Science Inc., Tokyo, JP;
Sinano Electric Co., Ltd., Tokyo, JP;
Abstract
An automatic polishing device is disclosed for automatic smooth polishing of windowpane from the outside of an airplane without the necessity of removing them from the airplane. The device of the present invention is provided with replaceable petal-shaped polishing pads of the same number as a required number of polishing steps such as rough, medium and finish polishing. Each pad is mounted on the exterior wall surface of an airplane and urged against the window surface with substantially constant pressure and is supplied with liquids for polishing and washing from a centrally-disposed opening.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile