Impedance adapter for electronic circuitry

Description

FIG. 1 is a left side elevational view of an impedance adapter for electronic circuitry showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D255857 July 15, 1980 Kourimsky
D259485 June 9, 1981 Manno
D275748 October 2, 1984 Humphreys
D300527 April 4, 1989 Kikuta
1553307 September 1925 Dawson
4648682 March 10, 1987 Tubbs
4855611 August 8, 1989 Isobe et al.
Foreign Patent Documents
0029205 March 1931 AUX
0560583 April 1960 BEX
2101421 January 1983 GBX
Other references
  • In-Line Adapters on p. 8 of Burndy Brochure No. 1024, 1985.
Patent History
Patent number: D319624
Type: Grant
Filed: Apr 17, 1989
Date of Patent: Sep 3, 1991
Assignee: Mux Lab Inc. (Ville St-Laurent)
Inventor: Richard Blackburn (Co. Portneuf)
Primary Examiner: Susan J. Lucas
Assistant Examiner: J. Sincavage
Attorney: Jean H. Dubuc
Application Number: 7/338,655
Classifications