Mechanical pencil

Details Mechanical pencil Mechanical pencil

2006-06-20

2006-06-20

Asch, Jeffrey D. (Department: 2916)

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

Design Patent

active

D0523476

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

REFERENCES:
patent: 1351552 (1920-08-01), Bricken
patent: D385915 (1997-11-01), Shimizu
patent: D389186 (1998-01-01), Shimizu
patent: D412342 (1999-07-01), Shimizu
patent: 6206595 (2001-03-01), Keda
patent: D478932 (2003-08-01), Moon
patent: D479747 (2003-09-01), Bainton
patent: D501253 (2005-01-01), Bainton
patent: D506504 (2005-06-01), Nakazawa et al.
patent: D506780 (2005-06-01), Nakazawa

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