Metal working – Method of mechanical manufacture – Assembling or joining
Reexamination Certificate
2008-06-20
2010-12-14
Thomas, Alexander (Department: 1783)
Metal working
Method of mechanical manufacture
Assembling or joining
C144S355000, C144S363000, C156S258000, C156S304100
Reexamination Certificate
active
07849577
ABSTRACT:
Omnidirectional strength plywood includes at least one ply disposed so that its grain runs diagonal to the length and width of the plywood sheet, and as such its grain diagonally intersects the grain of at least one other ply of the sheet. In some instances, two diagonal plies are disposed so that their grains intersect at approximate right angles and both run diagonal to the length and the width of the sheet. Further disclosed is a method for the manufacture of the diagonal grain plies.
REFERENCES:
patent: 3686061 (1972-08-01), Brown et al.
patent: 3970497 (1976-07-01), Glover et al.
patent: 4802946 (1989-02-01), Mason
patent: 5486393 (1996-01-01), Wiklund et al.
patent: 2008/0121334 (2008-05-01), Ohata
Gifford Krass Sprinkle Anderson & Citkowski P.C.
Thomas Alexander
LandOfFree
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