Geometrical instruments – Straightedge type – Rules
Patent
1998-08-18
2000-10-24
Hirshfeld, Andrew H.
Geometrical instruments
Straightedge type
Rules
33529, 33712, 269902, 83167, G01B 502, B26D 701
Patent
active
061347981
ABSTRACT:
A device for facilitating measuring and cutting conduit. The device includes two end plates sized and configured for receiving conduit while being provided with a surface for resisting rotation of the conduit as it resides upon and is supported by the end plates. A planar ruled member is attached to and supports both of the end plates preferably at a distance so that the device can be supported by the circumference of a standard five gallon bucket.
REFERENCES:
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patent: 4945648 (1990-08-01), Roth et al.
patent: 5092571 (1992-03-01), Stevens
patent: 5101932 (1992-04-01), Trudgeon
patent: 5207137 (1993-05-01), Baril
patent: 5727778 (1998-03-01), Nodar
patent: 5813306 (1998-09-01), Jacoff
Cox Ronald A.
Duncan Scott E.
E-Ticket Enterprises, LLC
Hirshfeld Andrew H.
Wittenberg Malcolm B.
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