Alphanumeric quick symbol guide

Details Alphanumeric quick symbol guide Alphanumeric quick symbol guide

1996-05-13

1998-01-13

Fridie, Jr., Willmon

Printed matter

Writing

283 46, 283117, G09B 1100

Patent

active

057070814

ABSTRACT:
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.

REFERENCES:
patent: 155726 (1874-10-01), Howson
patent: 229404 (1880-06-01), Hamilton
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patent: 1279241 (1918-09-01), Brouse
patent: 2137360 (1938-11-01), Skelsey
patent: 2922993 (1960-01-01), Sack, Jr.
patent: 4024532 (1977-05-01), Sherwin
patent: 4509279 (1985-04-01), Greenberger
patent: 4672759 (1987-06-01), Docherty et al.
patent: 4838792 (1989-06-01), Hoyeck
patent: 5516152 (1996-05-01), Luna

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