Covering material

Details Covering material Covering material

1997-11-12

1999-07-27

Loney, Donald

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

428141, 428156, 428183, 428184, 52537, B32B 328, E04D 100

Patent

active

059287640

ABSTRACT:
A covering material having corrugations and having on one of its surfaces, hollowed areas (3) in the convex part (10) of the corrugations (2) for laying tiles.

REFERENCES:
patent: 1444397 (1923-02-01), Seigle
patent: 1987798 (1935-01-01), Rupprecht
patent: 2253718 (1941-08-01), McKeage
patent: 2503847 (1950-04-01), Ives
patent: 2642372 (1953-06-01), Chittick
patent: 5384177 (1995-01-01), Rissmann

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