Telephone line and trunk status display

- Mitel Corporation
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Description

FIG. 1 is a perspective view of a telephone line and trunk status display showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a left side elevational view thereof; and

FIG. 7 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D251843 May 15, 1979 Knoll
D256918 September 16, 1980 White
4286124 August 25, 1981 Guttmann
4291198 September 22, 1981 Anderson et al.
4304966 December 8, 1981 Berin et al.
Other references
  • Telephony, Jan. 1, 1979, p. 30, GTE-60 PABX with Display.
Patent History
Patent number: D266762
Type: Grant
Filed: Nov 3, 1980
Date of Patent: Nov 2, 1982
Assignee: Mitel Corporation (Kanata)
Inventor: J. Scott Gibson (Ottawa)
Primary Examiner: Bernard Ansher
Attorney: Alan H. Levine
Application Number: 6/203,767
Classifications
Current U.S. Class: D14/58; D14/113
International Classification: D1403;