Pencil sharpener

Office supplies; artists and teachers materials – Office equipment not elsewhere specified – Perforating or cutting

Design Patent

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Details

Design Patent

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29237654

CLAIM:
The ornamental design for a pencil sharpener, as shown and described.

REFERENCES:
patent: D43710 (1913-03-01), Amster
patent: D79190 (1929-08-01), Hanle
patent: D85644 (1931-12-01), Graff
patent: D91676 (1934-03-01), Loewy
patent: D101889 (1936-11-01), Rix
patent: D112545 (1938-12-01), Younghusband
patent: D122265 (1940-09-01), Hanle
patent: D152554 (1949-02-01), May
patent: 2737927 (1956-03-01), Rhoades
patent: D190554 (1961-06-01), Madl
patent: D199473 (1964-10-01), Shuler
patent: 3289641 (1966-12-01), Ginsberg
patent: D219496 (1970-12-01), Lebedeff
patent: D219719 (1971-01-01), Fleming
patent: D226335 (1973-02-01), Levy et al.
patent: D240223 (1976-06-01), MacGregor
patent: D240299 (1976-06-01), HOffman
patent: D250035 (1978-10-01), Kajiwara
patent: D251008 (1979-02-01), Kajiwara
patent: D255988 (1980-07-01), Mascia et al.
patent: D286858 (1986-11-01), Giorgio
patent: D320812 (1991-10-01), Yuen
patent: 5064073 (1991-11-01), Folland
patent: D333784 (1993-03-01), Goodman
patent: D354987 (1995-01-01), Yuen
patent: D387808 (1997-12-01), Carlson
patent: D388464 (1997-12-01), Najbart
patent: D389516 (1998-01-01), Delman
patent: D390264 (1998-02-01), Singleton et al.
patent: D396062 (1998-07-01), White et al.
patent: D406173 (1999-02-01), Chen
patent: D422313 (2000-04-01), Chen
patent: D441796 (2001-05-01), Chan
patent: D464571 (2002-10-01), Hill et al.
patent: D465733 (2002-11-01), Hill
patent: D480110 (2003-09-01), Lin
patent: 6783033 (2004-08-01), Chan
patent: D504979 (2005-05-01), Lai
patent: D512461 (2005-12-01), Tsuruha

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