Writing instrument

Details Writing instrument Writing instrument

1977-05-11

1979-09-11

Burr, Edgar S.

Coating implements with material supply

Including stylus

Axially movable by pressure on work surface

401 54, B43K 200

Patent

active

041673506

ABSTRACT:
A writing instrument in which a marking element is removably mounted in a casing and held in the casing by resilient means acting lengthwise of the writing instrument. A removable plug at one end of the casing holds the removable marking element under compression in the casing.

REFERENCES:
patent: 365747 (1887-06-01), Hoffman
patent: 1355026 (1920-10-01), Austin
patent: 2369224 (1945-02-01), Ferger
patent: 2428960 (1947-10-01), Cloutier
patent: 2500979 (1950-03-01), Dark
patent: 3205863 (1965-09-01), Rhoades
patent: 3972630 (1976-08-01), Schenk

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