Code plug for a railway signal beacon

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Description

FIG. 1 is a front perspective view of a code plug for a railway signal beacon showing our design;

FIG. 2 is a rear perspective view thereof; and

FIG. 3 is a side elevational view thereof.

Referenced Cited
U.S. Patent Documents
2636068 April 1953 Perkins
3147057 September 1964 Colussi
3663926 May 1972 Brandt
3808580 April 1974 Johnson
4218110 August 19, 1980 Giannaula et al.
Patent History
Patent number: D265189
Type: Grant
Filed: Jun 5, 1979
Date of Patent: Jun 29, 1982
Assignee: Telefonaktiebolaget L M Ericsson (Stockholm)
Inventors: Sven G. Eriksson (Grabo), Bo A. Morwing (Lindome)
Primary Examiner: Peter M. Caun
Law Firm: Hane, Roberts, Spiecens & Cohen
Application Number: 6/45,760
Classifications
Current U.S. Class: D13/12; D13/14; Element Or Attachment (D10/121)
International Classification: D1303;