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. 14, 1987
Filed:
Jun. 10, 1985
Applicant:
Inventor:
Olaf T Harken, Pewaukee, WI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B63H / ;
U.S. Cl.
CPC ...
114104 ;
Abstract
A method and device for gathering a mainsail in a cavity within the boom as the sail is being lowered. The boom has a plurality of engaged rollers which draw in or let out the sail by tractive forces.
Harken, Olaf. (1987). Mainsail reefing and furling device and method (U.S. Patent No. 4679520). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4679520
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile