Brushing – scrubbing – and general cleaning – Implements – Mason's trowel or float
Reexamination Certificate
2008-05-20
2010-10-26
Karls, Shay L (Department: 3723)
Brushing, scrubbing, and general cleaning
Implements
Mason's trowel or float
C015S257100, C015S257200
Reexamination Certificate
active
07818844
ABSTRACT:
A hand trowel is provided with upstanding side and rear walls to prevent cement or grout from sliding off when scooped from a container. The sidewalls of the trowel taper to the front edge of the trowel so that no barrier is created to prevent the front edge from being utilized as a “finishing” edge. A handle extends from the rear wall of the trowel. The handle is provided with ergonomic indentations and the front edge is slanted to allow use by either a right- or a left-handed person.
REFERENCES:
patent: 1662170 (1927-04-01), Sahlstrom
patent: 2299418 (1942-10-01), Thomas
patent: 3408681 (1968-11-01), Isakson
patent: D278512 (1985-04-01), Lojko
patent: 5425153 (1995-06-01), Vosbikian
patent: 5975601 (1999-11-01), Spear et al.
Karls Shay L
Litman Richard C.
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