Signal shift device
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Description
Claims
The ornamental design for signal shift device, as shown and described.
Referenced Cited
U.S. Patent Documents
4087785 | May 2, 1978 | Dodich |
4593265 | June 3, 1986 | McKenney |
5231393 | July 27, 1993 | Strickland |
5257020 | October 26, 1993 | Morse |
5914698 | June 22, 1999 | Nicholson et al. |
6101750 | August 15, 2000 | Blesener et al. |
6972689 | December 6, 2005 | Morgan et al. |
7268701 | September 11, 2007 | Rohl |
20050012636 | January 20, 2005 | Gallagher et al. |
20050162342 | July 28, 2005 | Luoma et al. |
20070251132 | November 1, 2007 | Luoma et al. |
Patent History
Patent number: D653140
Type: Grant
Filed: Jun 27, 2011
Date of Patent: Jan 31, 2012
Assignee: National Signal, Inc. (Fullerton, CA)
Inventors: Mark Fernandez (Fullerton, CA), Kim Kwok (Irvine, CA)
Primary Examiner: Caron D Veynar
Assistant Examiner: George D Kirschbaum
Attorney: Rutan & Tucker, LLP
Application Number: 29/389,631
Type: Grant
Filed: Jun 27, 2011
Date of Patent: Jan 31, 2012
Assignee: National Signal, Inc. (Fullerton, CA)
Inventors: Mark Fernandez (Fullerton, CA), Kim Kwok (Irvine, CA)
Primary Examiner: Caron D Veynar
Assistant Examiner: George D Kirschbaum
Attorney: Rutan & Tucker, LLP
Application Number: 29/389,631
Classifications