Geometrical instruments – Scriber – Parallel line
Patent
1982-08-11
1984-06-26
Stearns, Richard R.
Geometrical instruments
Scriber
Parallel line
446 70, B43L 1104, A63H 3300
Patent
active
044557523
ABSTRACT:
A sand toy comprising a generally planar body having at least one edge with a plurality of serrations along the edge, spaced side edges and finger engaging holes whereby the sand toy can be grasped along the side edges with the fingers engaging the openings in order to move the sand toy to bring the serrations into contact with sand and the like.
REFERENCES:
patent: 1894155 (1933-01-01), Burton
patent: 2088161 (1937-07-01), Chambers
patent: 2395186 (1946-02-01), Jones
patent: 2561521 (1951-07-01), Lent
patent: 3166776 (1965-01-01), Selck
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