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:
Oct. 14, 2003
Filed:
Aug. 24, 2001
Applicant:
Inventors:
Manfred Stahle, Sandton, ZA;
Dieter H F Kallenbach, Sandton, ZA;
Assignee:
Corrupipe CC, , ZA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04H 4/16 ;
U.S. Cl.
CPC ...
E04H 4/16 ;
Abstract
The invention concerns a surface contacting disc for location around the inlet of a suction operated pool cleaner wherein at least one concentric groove is provided in the surface engaging face of the disc which provides flexibility for the outer part of the disc to fold progressively along the grooves.