Ball point pen

Details Ball point pen Ball point pen

1974-04-01

1976-03-02

Charles, Lawrence

Coating implements with material supply

Projectable and retractable tool

Including retraction spring and projected-position retainer

B43k 2408

Patent

active

039414906

ABSTRACT:
This application relates to a ball point pen and more particularly to a mechanism for turning or rotating the ink cartridge each time the plunger is depressed to project the ball point from the pen into the writing position.

REFERENCES:
patent: 3095859 (1963-07-01), Levy
patent: 3137276 (1964-06-01), Weisser
patent: 3419336 (1968-12-01), Kirk
patent: 3544227 (1970-12-01), Green
patent: 3652173 (1972-03-01), Miller et al.

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