Supports – Pipe or cable – Extending through plate
Patent
1976-09-17
1978-07-04
Skogquist, Harland S.
Supports
Pipe or cable
Extending through plate
35 60, 248441A, G09B 1106
Patent
active
040980090
ABSTRACT:
Easel assembly comprising a folding frame having front and rear legs with a drawing board mounted on each set of legs. Each drawing board includes a generally planar backboard and a transparent overlay having an erasable drawing surface, with a space between the backboard and the overlay for holding drawings and other materials in position to be traced on the overlay. One of the drawing boards is slidably and pivotally mounted on the legs for movement between raised and lowered positions for use by persons in standing and sitting positions.
REFERENCES:
patent: 392565 (1888-11-01), Larew
patent: 763382 (1904-06-01), Entler
patent: 953456 (1910-03-01), Bowman
patent: 1989216 (1935-01-01), Shaw
patent: 2485517 (1949-10-01), Vaule
patent: 2867917 (1959-01-01), Carlton
patent: 2902239 (1959-09-01), Janecka
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