Stock material or miscellaneous articles – Two dimensionally sectional layer – Next to unitary web or sheet of equal or greater extent
Patent
1989-03-01
1990-06-05
Thomas, Alexander S.
Stock material or miscellaneous articles
Two dimensionally sectional layer
Next to unitary web or sheet of equal or greater extent
428 44, B32B 310
Patent
active
049313320
ABSTRACT:
A non-warping and torque resistant structural panel including a top panel composed of four different size squares mounted on a base sheet. The squares when forming a pattern, have apices which are intermediate to and relatively offset from the apices of adjacent squares thereby forming relatively short vertically and horizontally extending intersecting lines, which resist warping and lateral torque.
REFERENCES:
patent: D241335 (1976-09-01), Bogan
patent: D241336 (1976-09-01), Bogan
patent: D241338 (1976-09-01), Bogan
patent: 1520313 (1924-12-01), Skinner et al.
"Sweets" Catalog File, vol. 5, Sec. 8.3, p. 3, 1/1978.
Dukart Blaine R.
Dukart Richard L.
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