Multifunctional drawing implement box

Details Multifunctional drawing implement box Multifunctional drawing implement box

1994-08-08

1995-12-19

Will, Thomas B.

Geometrical instruments

Straightedge type

Plural straightedges, relatively moveable

33485, 3355801, B43L 710

Patent

active

054759315

ABSTRACT:
A drawing implement box includes a first ruler section, a second ruler section which has a scale of angles thereon, and a positioning member for securing the first and second ruler sections together yet allowing relative rotational movements therebetween for measuring angles. Each of the first and second ruler sections has a compartment therein for receiving a drawing implement goods.

REFERENCES:
patent: 185977 (1877-01-01), Smith
patent: 1212549 (1917-01-01), Parent
patent: 1299978 (1919-04-01), MacDowney
patent: 2735185 (1956-02-01), Naphtal
patent: 4815881 (1989-03-01), Chern
patent: 4905830 (1990-03-01), Lin

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