Education and demonstration – Visual art or craft – artistic adornment – or color training...
Patent
1989-05-11
1990-12-11
Apley, Richard J.
Education and demonstration
Visual art or craft, artistic adornment, or color training...
434 87, G09B 1900
Patent
active
049766201
ABSTRACT:
A device comprising a base plate having a first array of lines displayed on the upper surface thereof and at least one generally transparent upper plate member having at least a second array of lines marked thereon. The upper plate member(s) are juxtapositionable and rotationally movable over the base plate such that the arrays of lines present on the upper plate member(s) will interact with each other and/or the array of lines present on the base plate to create a variety of moire patterns. Some or all of the base plate and upper plate members may be premarked with desired linear arrays. Alternatively, some or all of the base plate and/or upper plate members may be provided in blank unmarked form to permit the user to draw his own linear arrays thereon so as to design the create unique moire patterns. A line drawing template may also be provided to assist the user in drawing the arrays of lines on the upper and/or base plates.
REFERENCES:
patent: 2528765 (1947-01-01), Lindberg
patent: 3061946 (1962-11-01), Carty
patent: 3235987 (1966-02-01), Yates
patent: 3272506 (1966-09-01), Lescher
patent: 3370371 (1966-08-01), Swarbrick
patent: 3562941 (1968-07-01), Boden
patent: 3745966 (1973-07-01), Seager
patent: 3811213 (1974-05-01), Eaves
patent: 3972319 (1976-01-01), Dehlinger
patent: 4399353 (1983-08-01), Adkins et al.
Gillfillan Patricia B.
Tacquard Timothy L.
Apley Richard J.
Healey Rachel M.
Patail Enterprises, Inc.
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