Geometrical instruments – Scriber – Parallel line
Reexamination Certificate
2007-05-04
2008-11-18
Smith, R. A. (Department: 2841)
Geometrical instruments
Scriber
Parallel line
C033S032200
Reexamination Certificate
active
07451547
ABSTRACT:
A marking device or scribe for marking masonry pieces on a horizontal deck area surrounding a pool, sauna or similar below-ground construction. The device is designed for use during construction of deck areas to enable defining a border or margin a constant distance from a curved vertical edge. This marking facilitates subsequent cutting of the marked masonry pieces for removal and construction of a more aesthetic edge border. Device guide wheels follow curved vertical walls of the pool and guide a frame and attached marker that is supported on wheels on the deck. The marking device is biased against the masonry pieces to create a path line mark as the frame and guide wheels are manually move along the edge.
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Hanson Sven W.
Smith R. A.
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