Key ring opening tool
Description
The broken lines depict environmental subject matter only and form no part of the claimed design.
Claims
The ornamental design for a key ring opening tool, as shown and described.
Referenced Cited
U.S. Patent Documents
Patent History
Patent number: D577555
Type: Grant
Filed: Nov 15, 2007
Date of Patent: Sep 30, 2008
Inventor: Sumner MacDonald (Bristol, RI)
Primary Examiner: Caron D. Veynar
Assistant Examiner: Garth Rademaker
Attorney: Robert J. Doherty
Application Number: 29/293,280
Type: Grant
Filed: Nov 15, 2007
Date of Patent: Sep 30, 2008
Inventor: Sumner MacDonald (Bristol, RI)
Primary Examiner: Caron D. Veynar
Assistant Examiner: Garth Rademaker
Attorney: Robert J. Doherty
Application Number: 29/293,280
Classifications
Current U.S. Class:
D8/19