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US 5,707,081 AGranted
Alphanumeric quick symbol guide
OwnerRoberto F. Lunainventor
Life of this patent
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OwnerRoberto F. Lunainventor
Estimating the term…
A symbol guide comprising a sheet and at least one pattern located on said sheet, the at least one pattern including two spaced apart substantially horizontal lines, two spaced apart substantially parallel lines positioned so that the substantially horizontal lines are located between the substantially parallel lines or extensions thereof; two substantially diagonally extending lines which cross each other in the space defined by the substantially horizontal lines, the substantially parallel lines and extensions thereof; and two substantially semi-circular curves facing each other and located within the space defined by the substantially horizontal lines, the substantially parallel lines and extensions thereof.
A symbol guide comprising:
A sheet comprising a plurality of spaced apart patterns each comprising first and second rectangles having a common interface, said first rectangle including a first group of lines and at least one first curve and said second rectangle including a second group of lines and at least one second curve, said second group being the mirror image of said first group and said at least one second curve being the mirror image of said at least one first curve.
A symbol guide comprising:
Dependencies are inferred from the claim text.