US PATENT SUBCLASS 33 / 530
.~ Pitchometer
Current as of: June, 1999
Click HD for Main Headings
Click for All Classes
DEFINITION
Classification: 33/530
Pitchometer:
(under subclass 501) Subject matter wherein the contact member contacts a propeller blade to determine or check a relationship between a surface of the blade with a fluid to be contacted by the blade surface.
(1) Note. Marine and aircraft propellers are tested here.
(2) Note. The contact member may test a contour, angle or a distance related to the pitch of the blade.
SEE OR SEARCH THIS CLASS, SUBCLASS:
534, for an angle measurement.
551+, for a profile test gauge having a support for the tested article.
556+, for movable contact probe testing an article for profile or some other characteristic. 572, for a gauge contact probe support.
SEE OR SEARCH CLASS
73, Measuring and Testing,
149, for a aerodynamic propeller study and subclasses 455+ for a propeller rotor unbalance test.
