Patent
   D317877
Priority
May 30 1989
Filed
May 30 1989
Issued
Jul 02 1991
Expiry
Jul 02 2005
Assg.orig
Entity
unknown
0
11
n/a
The ornamental design for a navigational aid, as shown and described.

FIG. 1 is a front elevational view of a navigational aid showing my new design, the rear elevational view being flat, plain and unornamented;

FIG. 2 is a right side elevational view, the left side elevational view being a mirror image;

FIG. 3 is a top plan view; and

FIG. 4 is a bottom plan view thereof.

Moran, Edward C.

Patent Priority Assignee Title
Patent Priority Assignee Title
1145020,
2404386,
3282501,
3471084,
4011987, Jan 22 1976 Aircraft descent profile calculator
4855577, Mar 03 1988 Navigational and yacht racing calculator
201829,
D249656, Jan 10 1977 Aircraft navigation plotter
D254125, Feb 03 1977 Plotting instrument
D266313, Jun 23 1980 Drafting and measuring tool
D271382, Sep 11 1981 Circular navigational rule aid
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