Articles having invertible lettering thereon

Details Articles having invertible lettering thereon Articles having invertible lettering thereon

1983-12-19

1986-03-11

Bell, Paul A.

Printed matter

Calendar

D11116, 206459, B42D 1500

Patent

active

045751250

ABSTRACT:
An article (e.g., a tire, a package, a label) having upon a surface thereof one or more identifying words composed of a plurality of letters chosen from an alphabet of distinctive letters. The letters, when uninverted, are readily distinguishable from one another upon comparison of the characteristic features of one letter with those of the remaining letters in the alphabet. In the particular embodiment illustrated, twenty-four of the twenty-six letters in the alphabet are invertible and form, when inverted, either the same letters or other letters of the alphabet. This allows uninverted words or groups of words to be selectively composed from the letters, which words, when inverted, form either the same words as or different words from the uninverted words.

REFERENCES:
patent: D242186 (1976-11-01), Lengyel
patent: 3611291 (1971-10-01), Frank
patent: 3709525 (1973-01-01), Frank

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