Angular measurement tool

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United States of America Patent

PATENT NO 9429424
APP PUB NO 20160047650A1
SERIAL NO

14460556

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A right angle square includes a right isosceles triangle shaped right angle square with three sides. The three sides comprise a pitch edge, a hypotenuse, and another side. The right angle square also has a closed and arced angular measurement tube extending along a portion of a circumferential arc between the non-hypotenuse sides and the tube contains a fluid and a bubble that moved through the fluid. The right angle square also has a measurement scale. When the pitch edge is aligned against a slope to be measured, the bubble rises to the highest point in the tube, and the bubble is aligned on the measurement scale at a point along the measurement scale corresponding to the slope being measured.

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Patent Owner(s)

Patent OwnerAddress
EDGELINE HOLDINGS LLC275 COMMERCE DRIVE SUITE 104 FORT WASHINGTON PA 19034

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Butler, Jonas Spring Mills, US 1 12

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