Trackball for computer

Description

FIG. 1 is a top front and left side isometric view of a trackball for computer showing our new design;

FIG. 2 is a bottom front and right side isometric view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a rear elevational view thereof;

FIG. 8 is a top front and left side isometric view of a second embodiment of our new design;

FIG. 9 is a top plan view thereof;

FIG. 10 is a top front and right side isometric view of a third embodiment of our new design;

FIG. 11 is a bottom front and left side isometric view thereof;

FIG. 12 is a bottom plan view of the second embodiment shown in FIG. 8;

FIG. 13 is a rear elevational view thereof;

FIG. 14 is a right side elevational view thereof; and,

FIG. 15 is a front elevational view thereof.

The cord is shown in broken lines in the figures for illustrative purposes only and forms no part of the claimed design and the rear elevational view of the third embodiment is similar to the rear elevational view of the second embodiment shown in FIG. 13.

Claims

The ornamental design for a trackball for computer, as shown and described.

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Inventors:	Ashmun; Stuart (Seattle, WA), Garthwaite; Charlie (Kirkland, WA), Cameron; Bridget (Seattle, WA), Stephan; Allan H. (Seattle, WA), Nelson; Michael D. (Seattle, WA), Paull; Mike M. (Seattle, WA), Bradley; Paul (Woodside, CA), Yurchenco; James R. (Palo Alto, CA), Fulton; Elinor J. (Kennington, CA)
Assignee:	Microsoft Corporation (Redmond, WA)
Appl. No.:	07/666,397
Filed:	March 8, 1991

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Related U.S. Patent Documents

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	Application Number	Filing Date	Patent Number	Issue Date
	598562	Oct 22, 1990
	425527	Oct 23, 1989

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Current U.S. Class:	D14/417
Field of Search:	;D14/100,105,106,107,114 ;D13/162,168 ;D21/48 ;74/471XY ;178/18,19 ;200/5A,5R,6A,6R ;273/148B ;340/709,710,712 ;235/472

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References Cited [Referenced By]

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U.S. Patent Documents

D285445	September 1986	Davis et al.
D299140	December 1988	Nakamura
D305756	January 1990	Parker et al.
D309449	July 1990	MacDonald et al.
D314193	January 1991	Ishihara et al.

Other References

Portable Office, Apr. 1991, p. 70, Logitech Pointers (center of page)..

Primary Examiner: Burke; Wallace R.
Assistant Examiner: Nunn; Freda S.
Attorney, Agent or Firm: Seed and Berry