Lay out square

Details Lay out square Lay out square

1981-03-03

1982-12-07

Haroian, Harry N.

Geometrical instruments

Straightedge type

Plural straightedges nonadjustably fixed at right angles

33481, 33174G, B43L 706

Patent

active

043619649

ABSTRACT:
This invention relates to a lay out square which can be folded from a flat position for storage to a position wherein the legs are substantially perpendicular to each other. A body comprising first and second legs spaced apart equal distances form a U-shaped member which is joined to a face marking portion formed by third and fourth legs aligned where first and second legs and having hinge means to pivotally secure the body portion to the body at substantially right angles.

REFERENCES:
patent: 74297 (1868-02-01), Burnett
patent: 1332768 (1920-02-01), Simmons
patent: 1665400 (1928-04-01), Bittner
patent: 3169320 (1965-02-01), Currie
patent: 4212108 (1980-07-01), Jackson

Affiliated with

Also associated with

Rating

Lay out square does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Lay out square, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lay out square will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1897104