Inexpensive writing instrument with illusion producing means

Details Inexpensive writing instrument with illusion producing means Inexpensive writing instrument with illusion producing means

1981-11-09

1983-05-03

Hafer, Robert A.

Card, picture, or sign exhibiting

Check, label, or tag

Pen- or pencil-carried indicia

40905, 40486, 40488, 40366, 272 8N, 434371, G09F 300, G09F 700, A63J 300, G02B 2702

Patent

active

043816150

ABSTRACT:
A novelty writing instrument having cap and body members, each carrying part of an illusion producing device, is shown and described. By moving the cap and body members relative to one another, an illusion can be created.

REFERENCES:
patent: 1734650 (1929-11-01), Salinger
patent: 2264194 (1941-11-01), Wuestman
patent: 2808670 (1957-10-01), Katz
patent: 3250033 (1966-05-01), Siegel
patent: 4037343 (1977-07-01), Lonsmin
patent: 4330954 (1982-05-01), Lonsmin

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