Double key twist

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Description

FIG. 1 is a top view of the double key twist showing my new design.

FIG. 2 is a right side view thereof; and,

FIG. 3 is a top view thereof.

Claims

The ornamental design for a double key twist.

Referenced Cited
U.S. Patent Documents
3863477 February 1975 Klein
D235385 June 1975 Smyth
D318952 August 13, 1991 Stillwagon et al.
D342384 December 21, 1993 MacDonald
D360750 August 1, 1995 Stillwagon
D369020 April 23, 1996 MacDonald
D418971 January 18, 2000 Scungio
Patent History
Patent number: D551848
Type: Grant
Filed: Mar 21, 2006
Date of Patent: Oct 2, 2007
Inventor: Daniel R. Oas (Irwindale, CA)
Primary Examiner: Ralf Seifert
Attorney: Edgar W. Averill, Jr.
Application Number: 29/256,396
Classifications
Current U.S. Class: D3/207