Pipe size identifier and measuring tool

Geometrical instruments – Gauge – Comparator

Reexamination Certificate

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Details

C033S562000, C033S0010HH

Reexamination Certificate

active

06904690

ABSTRACT:
A pipe size measuring tool for identifying the pipe configuration, i.e., outer diameter and inner diameter, having a plurality of gauges, each gauge having an open mouth therein. The sizes of the open mouth in each gauge are different from each other. The gauges are mounted together with each gauge having a front end, a body portion and a rear end. The gauges are pivotally mounted together adjacent their rear ends so that they are moveable from a folded compact position to an open position. The front ends are wider than the rear ends and the gauges are thin light-weight. The gauges are of different sizes with the larger open mouths located in the larger gauges with indicia on the gauge which identifies the pipe measured.

REFERENCES:
patent: 69953 (1867-10-01), Richards
patent: 644756 (1900-03-01), Bailey
patent: 781960 (1905-02-01), Marbach
patent: 987703 (1911-03-01), Curtin
patent: 1562332 (1925-11-01), Jaques, Jr.
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patent: 4995168 (1991-02-01), Shiner
patent: 5050310 (1991-09-01), Jiles
patent: 5450677 (1995-09-01), Casey
patent: 5875558 (1999-03-01), Bakke et al.
Dec. 1935, GB, Henderson.

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