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.:

US 7051666 B1

PDF
Full Text
Expired
Date of Patent:
May. 30, 2006

Filed:

May. 26, 2005
Applicant:

Jean-pierre Baudet, Lausanne, CH;

Inventor:

Jean-Pierre Baudet, Lausanne, CH;

Assignee:

Other;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B63H 9/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A composite iso-stress sail structure comprises a sail body having an expected iso-stress line, when in a chosen sail shape and under a loading within a chosen range of loadings. An iso-stress element is laminated to the sail body material to create an iso-stress portion at a corner of the sail body. An edge of iso-stress portion is shaped to be at least generally parallel to the iso-stress line. The iso-stress portion extends from the corner along at least one of the sides of the sail distances greater than 20% of the lengths of the sides, respectively.


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Baudet, Jean-Pierre. (2006). Composite iso-stress sail structure and method for making (U.S. Patent No. 7051666). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7051666

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