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:
Jul. 18, 1995
Filed:
Mar. 15, 1994
Applicant:
Inventor:
David S Atkins, Broederstroom, ZA;
Assignee:
Zarina Holdings C.V., , NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04H / ;
U.S. Cl.
CPC ...
428 666 ; 15-17 ; 15404 ; 15420 ; 15246 ; 428131 ; 428192 ; 428167 ; 428213 ; 428220 ;
Abstract
A disc for use with an automatic swimming pool cleaner which operates on a substantial intermittent reduction in water flow through the swimming pool cleaner is disclosed. The disc is made of flexible material and has grooves formed symmetrically across and into the under surface of the disc.