Patent
   D422226
Priority
Mar 30 1998
Filed
Jun 17 1998
Issued
Apr 04 2000
Expiry
Apr 04 2014
Assg.orig
Entity
unknown
5
6
n/a
The ornamental design for a slide rule for navigation, as shown and described.

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

FIG. 2 is a rear perspective view of the slide rule of FIG. 1;

FIG. 3 is a left side perspective view of the slide rule of FIG. 1;

FIG. 4 is a right side perspective view of the slide rule of FIG. 1;

FIG. 5 is a top plan view of the slide rule of FIG. 1; and,

FIG. 6 is a bottom plan view of the slide rule of FIG. 1.

Villeneuve, Joseph

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Patent Priority Assignee Title
2418207,
4190960, Aug 23 1977 Plotter
4306141, Oct 22 1979 Mechanical astrological calculating device
4311903, Nov 07 1977 Method and apparatus for copy-fitting
4996776, Mar 01 1988 Method and device for determining the heading with wind (or with current) of an air (or sea-going) vehicle
D402906, Oct 24 1995 Sliding scale map coordinate locator card
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