Measuring stick with self-locking joint

Info

Patent number: D639685
Type: Grant
Filed: Apr 19, 2010
Date of Patent: Jun 14, 2011
Assignee: Mumser, Inc. (Columbia, MD)
Inventors: Frederick R. Dahlin (Columbia, MD), Francis N. Lyons (Preston, MD), Melvin Thomas Jackson (Baltimore, MD), Edward R. Blades (Whitmore Lake, MI)
Primary Examiner: Antoine D Davis
Attorney: Rosenberg, Klein & Lee
Application Number: 29/359,981

Description

Description

FIG. 1 is a perspective view of a measuring stick with self-locking joint in an extended position showing my new design;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is front elevation view thereof;

FIG. 7 is a rear elevation view thereof;

FIG. 8 is an enlarged fragmentary perspective view, showing the self-locking pivotal coupling of a horizontal member;

FIG. 9 is an enlarged fragmentary left side elevation view, showing the self-locking pivotal coupling of the horizontal member;

FIG. 10 is an enlarged fragmentary right side elevation view, showing the self-locking pivotal coupling for the horizontal member;

FIG. 11 is an enlarged fragmentary front elevation view, showing the self-locking pivotal coupling for the horizontal member;

FIG. 12 is an enlarged fragmentary rear elevation view, showing the self-locking pivotal coupling for the horizontal member;

FIG. 13 is an enlarged fragmentary top plan view, showing the self-locking pivotal coupling for the horizontal member;

FIG. 14 is an enlarged fragmentary bottom plan view taken along the section line 14—14 in FIG. 9, showing the self-locking pivotal coupling for the horizontal member;

FIG. 15 is an enlarged fragmentary elevation view thereof showing the region designated as FIG. XV in FIG. 3;

FIG. 16 is an enlarged fragmentary elevation view thereof showing the region designated as FIG. XVI in FIG. 3;

FIG. 17 is an enlarged fragmentary elevation view thereof showing the region designated as FIG. XVII in FIG. 3; and,

FIG. 18 is an enlarged fragmentary perspective view, showing the self-locking pivotal coupling of the horizontal member in a collapsed storage position.

The broken line portion of the figure drawings is included to show unclaimed subject matter only and forms no part of the claimed design.

Claims

The ornamental design for a “measuring stick with self-locking joint,” as shown and described.