Combination level and squaring tool

Geometrical instruments – Straightedge type – Plural straightedges nonadjustably fixed at right angles

Reexamination Certificate

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Details

C033S451000, C033S371000, C033S562000

Reexamination Certificate

active

06996911

ABSTRACT:
A square that includes two rigid, channeled members having an interior and an exterior, with the two members being joined at a ninety-degree angle to form a one-piece L-shaped tool having an elbow and a notch disposed on an exterior corner opposite the elbow. The invention also features a bubble level attached to the exterior of each member and a releasable adhesive member disposed upon the interior of each member, such as magnets, tapes, or adhesive plastic materials. Methods for pipe-fitting and for holding pipes or joints in place with the invention are also provided.

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