Writing implement with coaxial alternately usable tips

Details Writing implement with coaxial alternately usable tips Writing implement with coaxial alternately usable tips

1990-04-05

1991-06-25

Johnson, Richard J.

Coating implements with material supply

Plural tools including projectable and retractable tool

401 99, 401198, B43K 106, B43K 1700, B43K 2700

Patent

active

050261894

ABSTRACT:
A writing utensil, in particular a fibre pen, marking pen or liner with two optionally usable, different writing tips is provided which are disposed at the same end of the writing utensil and nested into each other and can thus be jointly supplied by a writing material reservoir.

REFERENCES:
patent: 2591027 (1952-04-01), Turnes
patent: 3247828 (1966-04-01), Basham
patent: 3336909 (1967-08-01), Diamond
patent: 3687562 (1972-08-01), Basham
patent: 4410290 (1983-10-01), Yamauchi
patent: 4580918 (1986-04-01), Baker

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