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. 17, 1992
Filed:
Jan. 11, 1991
Applicant:
Inventors:
Gianni Beltrani, Genova, IT;
Mirko Bosio, Aosta, IT;
Assignee:
Technisub S.p.A., Genoa, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B / ;
U.S. Cl.
CPC ...
441 64 ; 441 61 ;
Abstract
A swimming flipper includes a blade of fairly rigid thermoplastic material and a shoe of elastomeric material or soft thermoplastic rubber. The blade has a partially multi-layered structure including a base layer made of the fairly rigid thermoplastic material and a partial outer layer of a more resilient material which is superimposed on and connected permanently to the base layer.