Slide rule

The ornamental design for a slide rule, as shown.

FIG. 1 is a front elevational view of a slide rule showing my new design;

FIG. 2 is a left side elevational view;

FIG. 3 is a rear elevational view; and

FIG. 4 is a bottom plan view.

Patent	Priority	Assignee	Title
D435581,	May 14 1999	SIA Abrasives Holding AG	Sanding parameter calculator

Patent	Priority	Assignee	Title
1922465,
3279695,
3747845,
4311902,	Feb 12 1979	LEADRITE CORPORATION, ONE JUNIPER LANE, RULEVILLE,MISS A CORP OF MISS	Lead calculator for moving targets
4350878,	May 18 1981		Conception control calendar
4456821,	Jun 04 1982		Time/speed/distance slide rule
241775,

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