Writing instrument that calculates grade
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United States of America Patent
Stats
-
Jul 20, 2010
Grant Date -
Mar 13, 2008
app pub date -
Sep 11, 2006
filing date -
Sep 11, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A writing instrument for use by a grader comprises an elongate, tubular housing, a writing component secured within the housing and operative to make marks on a surface, and a calculation assembly comprised of electronic components. The calculation assembly is retained within the housing and includes a plurality of data entry devices for entering data used to calculate a grade, the data entry devices being accessible by the grader through an exterior surface of the housing; a processing device programmed to receive data from the plurality of data entry devices and calculate the grade based on the entered data by performing division; and a display component for displaying to the grader the grade calculated by the processing device. A method of grading comprises using the writing instrument.
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Family
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Cited Art Landscape
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