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:
Dec. 28, 1976
Filed:
Feb. 27, 1975
Masahiko Maruyama, Nagoya, J;
Shosuke Oka, Nagoya, J;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, J;
Abstract
An apparatus for cleaning windows and the like characterized by a housing containing a nozzle for injecting a cleaning solution and a brush being movable under contacting relation with the surface to be cleaned, wherein the end of the housing facing the surface to be cleaned is open to form an aperture and the aperture is closeable by a movable edge of the housing. A wiper is disposed on the movable edge of the housing, being operated through an interlocking mechanism for moving the brush toward and away from the surface to be cleaned, whereby in the case of withdrawing the brush, the aperture of the housing is automatically closed so that the wiper may be fully utilized.