Three keypad pushbutton set for telecommunications instruments

Description

FIG. 1 is a left side, top and front perspective view of the left-hand button of a three keypad pushbutton set for telecommunications instruments showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof, the side opposite being a mirror image thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side, top and front perspective view of the center button thereof;

FIG. 6 is a top plan view of the center button of the set;

FIG. 7 is a front elevational view of the center button, the rear elevational view being a mirror image;

FIG. 8 is a left side elevational view of the center button, the side opposite being a mirror image thereof;

FIG. 9 is a left side, top and front perspective view of the right-hand button of the set;

FIG. 10 is a top plan view of the right-hand button;

FIG. 11 is a rear elevational view thereof;

FIG. 12 is a left side elevational view thereof;

FIG. 13 is a bracketed top plan view of the set of left-hand, center and right-hand buttons in assembled relationship; and

FIG. 14 is a bracketed left side, top and front perspective view of the three button set in bracketed relationship.

Claims

The ornamental design for a three keypad pushbutton set for telecommunications instruments, as shown and described.

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Inventors:	Steer; David J. (Lincoln, GB2), Hawker; Steven (Arnold, GB2), Colebourne; Leonard (Nottingham, GB2)
Assignee:	Plessey Overseas Limited (Ilford, GB)
Appl. No.:	06/922,986
Filed:	October 22, 1986

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Foreign Application Priority Data

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Apr 22, 1986 [GB]			1033655

Current U.S. Class:	D14/247; D14/244; D14/456
Field of Search:	;D14/59,115 ;D18/12 ;200/340

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References Cited [Referenced By]

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U.S. Patent Documents

D219027	October 1970	Miller
D249511	September 1978	Olson
D265648	August 1982	Fukushima et al.
D265735	August 1982	Fukushima et al.
D269512	June 1983	Goldberg
3668356	June 1972	Kekas
3736397	May 1973	Pedersen
3780237	December 1973	Seeger, Jr. et al.
3871506	March 1975	Von Luders
4529849	July 1985	Kamei et al.
4540865	October 1985	Calder

Primary Examiner: Fay, Jr.; Horace B.
Attorney, Agent or Firm: Oglo; Michael F. Renfro; Julian C.