Telephone line test probe

- Northern Telecom Limited
Description

FIG. 1 is a top, front left side perspective view of a telephone line test probe showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side elevation view thereof.

Referenced Cited
U.S. Patent Documents
D222138 October 1971 Palmer
D246956 January 17, 1978 Perry
D251184 February 27, 1979 Volk
D271668 December 6, 1983 Tanaka
4214132 July 22, 1980 Kelso
4263547 April 21, 1981 Johnson
Patent History
Patent number: D280389
Type: Grant
Filed: Apr 21, 1983
Date of Patent: Sep 3, 1985
Assignee: Northern Telecom Limited (Montreal)
Inventor: Hollis B. Austin (Manchester, NH)
Primary Examiner: Bernard Ansher
Assistant Examiner: Terry Pfeffer
Law Firm: Schwartz, Jeffery, Schwaab, Mack, Blumenthal & Evans
Application Number: 6/487,059
Classifications