Two ended retractable writing instrument

Coating implements with material supply – Plural tools including projectable and retractable tool

Patent

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Details

401 34, 401 75, 401 99, 401116, B43K 2700, B43K 2402

Patent

active

042214904

ABSTRACT:
A writing instrument includes a cam member and first and second cam follower members arranged to simultaneously project or retract upper and lower members from opposite open ends of a barrel when one barrel section is rotated about a writing instrument longitudinal axis relative to a stationary second barrel section.

REFERENCES:
patent: Re22717 (1946-02-01), Savoie
patent: 311429 (1885-01-01), Hoagland
patent: 1372296 (1921-03-01), Keeran
patent: 1404138 (1922-01-01), Perrotti
patent: 1501121 (1924-07-01), Keeran
patent: 1729240 (1929-09-01), Augenstein
patent: 1755326 (1930-04-01), Klagges
patent: 1942283 (1934-01-01), Hale
patent: 2103417 (1937-12-01), Haack
patent: 2173361 (1939-09-01), Gorrell
patent: 2182846 (1939-12-01), Hasselquist
patent: 2454086 (1948-11-01), Randolph
patent: 2513201 (1950-06-01), Reddeman
patent: 2883968 (1959-04-01), Vertiz
patent: 3079894 (1963-03-01), Johmann
patent: 3146758 (1964-09-01), Zepell
patent: 3196838 (1965-07-01), Weisser
patent: 3205863 (1965-09-01), Rhoades
patent: 3250254 (1966-05-01), Gerspacher
patent: 3288116 (1966-11-01), Poritz
patent: 3315643 (1967-04-01), Eratico
patent: 3544227 (1970-12-01), Green
patent: 3597100 (1971-08-01), Ganz
patent: 3630629 (1971-12-01), DiSpirito
patent: 3672783 (1972-06-01), Bajusz
patent: 3700340 (1972-10-01), Terasaki
patent: 3792931 (1974-02-01), Ganz
patent: 3801206 (1974-04-01), Poritz
patent: 3898008 (1975-08-01), Ganz
patent: 3985455 (1976-10-01), Wahlberg

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