Ceramic support rail

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Description

FIG. 1 is a perspective view of a ceramic rail support for supporting ceramic insulators in an electric heater, showing my new design,

FIG. 2 is a top side plane view thereof, the bottom side being a mirror image of the side shown.

FIG. 3 is a back side elevation view, the front side being a mirror image of the side shown; and,

FIG. 4 is a right side elevation view, the left side view being a mirror image of the side shown.

Claims

The ornamental design for a ceramic support rail, as shown and described.

Referenced Cited
U.S. Patent Documents
2673889 March 1954 Metz
D199694 December 1964 Palmer
D207057 February 1967 Belke
3935376 January 27, 1976 Cooper et al.
3992609 November 16, 1976 Alexander
D248943 August 15, 1978 King
D258877 April 14, 1981 King
4458141 July 3, 1984 Howard et al.
4528441 July 9, 1985 Seal et al.
4531017 July 23, 1985 Sherrill
4559412 December 17, 1985 Howard et al.
4692599 September 8, 1987 Howard et al.
D347644 June 7, 1994 Bezdicek
D367844 March 12, 1996 Engelke
D400500 November 3, 1998 Kelly
5880440 March 9, 1999 Whitfield et al.
D438765 March 13, 2001 Weir
7075043 July 11, 2006 Howard et al.
D569699 May 27, 2008 Snick
Patent History
Patent number: D727381
Type: Grant
Filed: Dec 30, 2013
Date of Patent: Apr 21, 2015
Assignee: (South Haven, MI)
Inventor: Carlisle Thweatt, Jr. (South Haven, MI)
Primary Examiner: Patricia Palasik
Application Number: 29/463,550