Pipes and tubular conduits – Longitudinally seamed – With diverse locking means
Reexamination Certificate
2005-06-14
2005-06-14
Brinson, Patrick (Department: 3754)
Pipes and tubular conduits
Longitudinally seamed
With diverse locking means
C138S156000, C138S168000, C138S128000, C138S150000, C138S151000, C033S555100, C033S555400, C285S373000, C285S419000, C285S298000
Reexamination Certificate
active
06904941
ABSTRACT:
A variable diameter cylinder made from a sheet having first and second edges that are opposite to each other and that slideably connect with each other to form a helical joint of a cylinder such that sliding the edges of the sheet along the joint varies a diameter and length of the cylinder. When marked with a scale, the cylinder acts as a measuring device that is both highly accurate and easy to use. A helical-based scale can be used alone, or a linear scale can be used in combination with a Vernier scale.
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“How To Use The Tape,” pitape.com, 2000, Pi Tape Corporation Escondido, CA.
Brinson Patrick
Clock Tower Law Group
Heels Erik J.
Mather Joshua D.
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