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:
Oct. 20, 2009
Filed:
Oct. 31, 2006
Applicants:
Gilbert Mestre, Salon de Provence, FR;
Guy Cruveiller, Marignane, FR;
Inventors:
Gilbert Mestre, Salon de Provence, FR;
Guy Cruveiller, Marignane, FR;
Assignee:
Eurocopter, Marignane, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 27/33 (2006.01);
U.S. Cl.
CPC ...
Abstract
A rotorcraft rotor includes a hub , a first blade having a first twistable structure secured to the hub by a first bolt and a first ring or washer , a second blade having a second twistable structure secured to the hub by a second bolt and a second ring or washer. The rotor includes a stop structure for preventing each ring or washer from turning relative to the hub or relative to the corresponding twistable structure.
Mestre, Gilbert. (2009). Rotorcraft rotors having twistable blades (U.S. Patent No. 7604460). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7604460
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile