Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Patent
1977-02-09
1978-08-01
McCamish, Marion E.
Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
428528, 428529, 428535, 428537, B32B 2106
Patent
active
041044290
ABSTRACT:
A wood based composition board product, either hardboard, particleboard or fiberboard, having an intricate pattern of recesses formed in the relatively hard outer surface of the product is disclosed. The recesses are charred to discolor the same, and the pattern is preferably a wood grain simulating pattern.
REFERENCES:
patent: 1180516 (1916-04-01), McIndoe
patent: 3294014 (1966-12-01), Kneisel
patent: 3542641 (1970-11-01), Showalter
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