Geometrical instruments – Gauge – Movable contact probe – per se
Reexamination Certificate
2006-11-09
2009-08-11
Guadalupe-McCall, Yaritza (Department: 2841)
Geometrical instruments
Gauge
Movable contact probe, per se
C033S556000
Reexamination Certificate
active
07571550
ABSTRACT:
A stylus for key duplicating machine with replaceable segmented stylus comprising a cylindrical body; a spring-loaded tracer having a slide spindle movably engaged in one end of the cylindrical body, and a replaceable segmented stylus releasably secured on the front end of the slide spindle for replacement of the worn replaceable segmented stylus damaged during key duplicating by new one easily; and a regulating grip angularly movably engaged in the other end of the cylindrical body.
REFERENCES:
patent: 3372619 (1968-03-01), Clegg
patent: 4187614 (1980-02-01), Abiru et al.
patent: 6344656 (2002-02-01), Hopkins et al.
patent: 7128504 (2006-10-01), Wu
patent: 7189037 (2007-03-01), Wu
patent: 2004/0175246 (2004-09-01), Wu
Birch & Stewart Kolasch & Birch, LLP
East of Wu Co., Ltd.
Guadalupe-McCall Yaritza
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