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:
May. 19, 1992
Filed:
Aug. 30, 1990
Pekka Nurmi, Espoo, FI;
Heikki Salo, Turku, FI;
AKP-Tekno Oy, Espoo, FI;
Abstract
The invention relates to a suction box for a central vacuum system, comprising a cover part (1) designed to be mounted against the exterior surface of a wall, a counterpart (2) of the cover part, designed to be mounted inside the wall, and a 90.degree. suction bend (3) designed to bend the suction tube inside the wall to a direction parallel to the plane of the wall. According to the invention, the counterpart (2) and the auction bend (3) constitute a solid integral body (4) comprising a supporting surface (5) resting against the interior surface of the wall board, a round-shaped mounting flange (6) raised from the supporting surface and designed to be placed in a hole in the wall, and curved and elongated attachment areas (7) to which the cover part (1) can be fastened.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile