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.

Date of Patent:
May. 26, 1981

Filed:

Aug. 31, 1978
Applicant:
Inventor:

Earl P Shapland, Sarasota, FL (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B63H / ;
U.S. Cl.
CPC ...
114107 ;
Abstract

A sailboat roll furling system in which sails can be roll-furled inside of an extruded housing which is pivotally mounted on existing masts, headstays or under yardarms of square rigged vessels. The housing encloses a luff wire mounted for rotation within the housing by a pulley system. An arrangement including a boom car with line and pulley system is used to control the shape of the leech of the mainsail.


Find Patent Forward Citations

Shapland, Earl. (1981). Sailboat with universal roll furling sail housing (U.S. Patent No. 4269134). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4269134

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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