Geometrical instruments – Straightedge type
Patent
1990-01-12
1991-02-05
Haroian, Harry N.
Geometrical instruments
Straightedge type
33 322, 33481, 33492, 33526, B43L 700
Patent
active
049893351
ABSTRACT:
A guide for guiding wallpaper knife includes a planar member with a right-angled lip formed at a forward end portion of the planar member. The right-angled lip and the planar member form a press for pushing an overlapping sheet of wallpaper into a corner, while a flat linear edge of the right-angled lip provides a guide surface for guiding the wallpaper knife along a linear path substantially parallel to the corner of a room.
REFERENCES:
patent: 1451444 (1923-04-01), Lupton
patent: 2414408 (1947-01-01), Galazin
patent: 3509633 (1970-05-01), Fernandes
patent: 3862494 (1975-01-01), Andersson
patent: 4349966 (1982-09-01), Marino
Haroian Harry N.
Pennington Edward A.
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