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. 29, 1994
Filed:
Jan. 07, 1987
Applicant:
Inventor:
Seymour Mermelstein, Newton, MA (US);
Assignee:
SwimEx Systems Inc., Warren, RI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04H / ;
U.S. Cl.
CPC ...
4488 ; 4904 ;
Abstract
A swim tank slightly longer than a human and slightly wider than the maximum spread between fingertips is divided into upper and lower channels by polycarbonate or members extending across the width of the tank and having a rectangular outlet at the top front through which water is expelled. A vaned wheel at the rear is driven by an induction motor from a power source of controlled frequency.