Utility knife

Details Utility knife Utility knife

2006-09-20

2009-11-24

Choi, Stephen (Department: 3724)

Cutlery

Sheathed

Sliding blade

C030S335000

Reexamination Certificate

active

07621051

ABSTRACT:
A utility knife having a casing, a blade holder moveably mounted within the casing, the blade holder is moveable incrementally from a fully extended position outside the casing to a fully retracted position inside the casing so that the blade holder may be positioned in a partially extended position.

REFERENCES:
patent: 24502 (1859-06-01), Sturdy
patent: 158830 (1875-01-01), Buterworth
patent: 1375029 (1921-04-01), Valeggia
patent: 2243030 (1941-05-01), Fischer
patent: 2477986 (1949-08-01), Kennerley
patent: 4242795 (1981-01-01), Rollband et al.
patent: 5207696 (1993-05-01), Matwijcow
patent: 6267759 (2001-07-01), Quick
patent: 6484404 (2002-11-01), Kao
patent: 6623499 (2003-09-01), Andreini et al.
patent: 6796033 (2004-09-01), Owoc
patent: 2003/0150117 (2003-08-01), Owoc
patent: 2004/0177514 (2004-09-01), Kaczorowski
patent: 2085790 (1982-05-01), None

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