Floor square

Details Floor square Floor square

1987-04-16

1988-04-12

Stearns, Richard R.

Geometrical instruments

Straightedge type

Plural straightedges nonadjustably fixed at right angles

33481, 33566, B43L 1300

Patent

active

047365250

ABSTRACT:
A floor square for use in squaring and marking a ledger notch in the end of a floor joist and for use in marking the intended position of a ledger on a girder.

REFERENCES:
patent: 387966 (1888-08-01), Beckwith
patent: 2654153 (1953-10-01), Oyler
patent: 2756505 (1956-07-01), Zaleski
patent: 3792532 (1974-02-01), De Jesus
patent: 4654978 (1987-04-01), Wolford, Jr.

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