Rail insulating pad

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Description

FIG. 1 is a side elevational view of a rail insulating pad showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a perspective view thereof.

The bottom and front edge of the rail insulating pad are substantially flat and unornamented.

Referenced Cited
U.S. Patent Documents
1131388 March 1915 Langford
1549401 August 1925 Wincrantz
Other references
  • Railway Track & Structures, 3/74, p. 69, Portec's Fully Insulated Polyplate, top right side of page.
Patent History
Patent number: D247617
Type: Grant
Filed: Apr 8, 1976
Date of Patent: Mar 28, 1978
Assignee: A.E. Rex Nominees Pty. Ltd.
Inventor: Albert Edward Rex (Adelaide)
Primary Examiner: Wallace R. Burke
Assistant Examiner: James M. Gandy
Attorney: Jay L. Chaskin
Application Number: 5/674,973
Classifications
Current U.S. Class: Tie Plate Or Clamp (D12/51)
International Classification: D1203;