Transmission switching equipment cabinet

- Northern Telecom Limited
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Description

FIG. 1 is a perspective view of the transmission switching equipment cabinet showing my new design,

FIG. 2 is a top view thereof,

FIG. 3 is a front view thereof, the rear view being identical;

FIG. 4 is a side view thereof, the opposite side view being identical.

Referenced Cited
U.S. Patent Documents
D242926 January 4, 1977 Abramsen et al.
Other references
  • Telephony, 10-31-1977, p. 118, Digital Switching System Cabinet (left).
Patent History
Patent number: D265991
Type: Grant
Filed: Oct 31, 1979
Date of Patent: Aug 31, 1982
Assignee: Northern Telecom Limited (Montreal)
Inventor: Peter D. H. Trussler (Ottawa)
Primary Examiner: Susan J. Lucas
Attorney: John E. Mowle
Application Number: 6/89,940
Classifications
Current U.S. Class: D14/52
International Classification: D1403;