Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Patent
1977-08-31
1980-01-01
Esposito, Michael F.
Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
256 19, 256 59, 427297, 427277, 427358, 427398R, 428332, 428537, 428339, 428514, B32B 2104, D06N 704
Patent
active
041817648
ABSTRACT:
A rail comprising, an elongated wooden core, a weather and abrasion resistant protective coating surrounding the core in contact relation therewith, and a plurality of one-way valve like perforations in the coating for releasing vapor from the core through the coating and substantially preventing the passage of water through the coating toward the core, and the method of manufacture thereof.
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patent: 3808030 (1974-04-01), Bell
patent: 3914463 (1975-10-01), Mercurio
patent: 3967024 (1976-06-01), Beath et al.
patent: 4004774 (1977-01-01), Houston
Childs Sadie L.
Esposito Michael F.
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