Device for drawing lines on a sized sheet of paper and...

Details Device for drawing lines on a sized sheet of paper and... Device for drawing lines on a sized sheet of paper and...

2011-07-05

2011-07-05

Fernstrom, Kurt (Department: 3711)

Education and demonstration

Visual art or craft, artistic adornment, or color training...

Drawing

Reexamination Certificate

active

07972138

ABSTRACT:
Improvements in the instruments for drawing lines using grooves providing the presentation of lines that may be drawn by placing a sheet of paper over the presentation and engaging the sheet of paper with the point of a writing tool with sufficient force to press the engaged part of the paper into a selected groove and then moving the writing tool point within the line, depositing pencil lead or ink from the end of the writing tool on the paper that is pressed into the selected groove to form a line on the paper. The improvements include the provision of registration marks on a clipboard which has the presentation of grooves for lines to be drawn on the upper side of the clipboard, the registration marks acting as guidelines for the precise placement of the sheet of paper on which lines are to be drawn.

REFERENCES:
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patent: 6866516 (2005-03-01), Smith et al.
patent: 7717468 (2010-05-01), Isaacs

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