Power transmission coupling

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Description

FIG. 1 is a perspective view of a power transmission coupling showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a left side elevational view thereof.

The broken lines are shown for illustrative purposes only and form no part of the claimed design.

Claims

The ornamental design for a power transmission coupling, as shown and described.

Referenced Cited
U.S. Patent Documents
2448278 August 1948 Ronning
2629991 March 1953 Guy
2643529 June 1953 Thomas
2759776 August 1956 Blomgren
D451984 December 11, 2001 Tigerholm
D473129 April 15, 2003 Warner et al.
D495434 August 31, 2004 Cooper
D533204 December 5, 2006 Kinoshita
D574067 July 29, 2008 Pampinella et al.
20040009818 January 15, 2004 Son
20100079018 April 1, 2010 Oilar et al.
Patent History
Patent number: D621862
Type: Grant
Filed: Feb 19, 2010
Date of Patent: Aug 17, 2010
Assignee:
Inventor: Mitsuo Kaneda (Seki)
Primary Examiner: Sandra Snapp
Assistant Examiner: Patricia Palasik
Attorney: Carstens & Cahoon LLP
Application Number: 29/356,123
Classifications