Patent
   D249656
Priority
Jan 10 1977
Filed
Jan 10 1977
Issued
Sep 26 1978
Expiry
Sep 26 1992
Assg.orig
Entity
unknown
5
9
n/a
The ornamental design for an aircraft navigation plotter, as shown and described.

FIG. 1 is a top plan view of an aircraft nagivation plotter showing my new design, the lower circular transparent disc having been rotated for exemplary purposes, so that 265° is indexed at the diamond on the subjacent opaque base plate and the arrows on the uppermost substantially semi-circular transparent plate point respectively to 115° and 295° on the underlying circular transparent disc;

FIG. 2 is an elevational view of one side edge, the elevational view of the opposite side edge being substantially a mirror image thereof;

FIG. 3 is an elevational view of one end edge of FIG. 4, the elevational view of the other end edge being substantially a mirror image thereof; and,

FIG. 4 is a bottom plan view.

Mihail, Marcus A.

Patent Priority Assignee Title
5184405, Dec 18 1991 Method and device for fitting toric contact lenses
6134796, Mar 20 1997 Altech Controls Corporation; ALTECH CONTROLS, INC , A TEXAS CORPORATION Aircraft navigational plotter
D267957, May 26 1978 Electrocardiogram analyzer
D288787, Aug 09 1985 Protractor
D317877, May 30 1989 Navigational aid
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