Multi-purpose combination writing instrument

Details Multi-purpose combination writing instrument Multi-purpose combination writing instrument

1987-11-25

1989-03-28

Bratlie, Steven A.

Coating implements with material supply

Solid material for rubbing contact or support therefor

Combined

401195, 33 2782, 3355801, 335583, B43K 2900, B43K 2908

Patent

active

048158810

ABSTRACT:
A multi-purpose combination writing instrument which has an elongated core member with a hexagon cross section received in a correspondingly shaped pen tube consisting of a right and left members which can be converted into a compass after removing the core member with the right and left members pivotably opened to any angle from 0 to 180 degrees and further into an elongated straight ruler when the pen tube is widely opened with the right and left members arranged in rectilinear manner, in the meanwhile the core member can be independently used as a writing tool to mark lines. An eraser as well as a needle mount is received inside a cap, the needle mount is adapted as a pivot point when the writing instrument is used as a compass.

REFERENCES:
patent: 752699 (1904-02-01), Neukirchen
patent: 1611835 (1926-12-01), Keaney
patent: 1674726 (1928-06-01), Keaney
patent: 2505437 (1950-04-01), Skolinick

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