Clamshell-style valve knob cover lockout device

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Description

FIG. 1 shows a general perspective view of the invention in a closed position.

FIG. 2 shows a general perspective view of the invention in an open position.

FIG. 3 is a front view of an embodiment in the closed position.

FIG. 4 is a back view of an embodiment in the closed position.

FIG. 5 is a right side view of an embodiment in the closed position.

FIG. 6 is a left side view of an embodiment in the closed position.

FIG. 7 is a top view of an embodiment in the closed position.

FIG. 8 is a bottom view of an embodiment in the closed position.

FIG. 9 is a front view of an embodiment in the open position.

FIG. 10 is a back view of an embodiment in the open position.

FIG. 11 is a right side view of an embodiment in the open position.

FIG. 12 is a left side view of an embodiment in the open position.

FIG. 13 is a top view of an embodiment in the open position; and,

FIG. 14 is a bottom view of an embodiment in the open position.

The broken line showings of a sample valve and pipe extending therefrom are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design.

Claims

I claim the ornamental design for a clamshell-style valve knob cover lockout device, as shown and described.

Referenced Cited
U.S. Patent Documents
5979871 November 9, 1999 Forbes et al.
6123318 September 26, 2000 Forbes et al.
6491020 December 10, 2002 Kotchi et al.
6508455 January 21, 2003 Rauch et al.
7069902 July 4, 2006 Arai et al.
7111609 September 26, 2006 Tanimura et al.
7469677 December 30, 2008 Hannewald et al.
D678478 March 19, 2013 Thielbar
20050263131 December 1, 2005 Tanimura et al.
20110309277 December 22, 2011 Christensen
20130181154 July 18, 2013 Robison et al.
20140246617 September 4, 2014 Diel
Patent History
Patent number: D720831
Type: Grant
Filed: Apr 26, 2013
Date of Patent: Jan 6, 2015
Inventor: Patrick M. O'Banion (Hillsboro, OR)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Gino Colan
Application Number: 29/453,300
Classifications
Current U.S. Class: Valve Or Body Therefor (D23/233)