Reference marking on construction materials

Details Reference marking on construction materials Reference marking on construction materials

1997-04-29

1999-09-14

Bennett, G. Bradley

Geometrical instruments

Straightedge type

Rules

33 1B, 52105, G01B 300, E04B 100

Patent

active

059503190

ABSTRACT:
Construction materials such as 4-foot by 8-foot sheets of plywood, drywall, and similar materials have fiducial markings for quick visual reference of the user. Imprinted lines of equal spacings indicate to the user the location of wall studs at 16-inch or 24-inch spacings, and the sheet of material can also include oblique lines and one or more circles, for reference of the user in quickly determining the size of remnants. Similar markings may also be applied to roll-stored materials such as carpeting.

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patent: 5033197 (1991-07-01), Irvello
patent: 5195249 (1993-03-01), Jackson
patent: 5673489 (1997-10-01), Robell

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