Mechanical pencil

Details Mechanical pencil Mechanical pencil

1996-09-20

1998-01-13

Thompson, Martie

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 51, D19 56, 1906

Patent

active

D03891860

REFERENCES:
patent: D155613 (1949-10-01), Kahn
patent: D162805 (1951-04-01), Gerber
patent: D169307 (1953-04-01), Gerber
patent: D314978 (1991-02-01), Oka
patent: D329873 (1992-09-01), Tu
patent: D338038 (1993-08-01), Oka et al.
patent: D342545 (1993-12-01), Kao
patent: D355673 (1995-02-01), Takahashi
patent: D366498 (1996-01-01), Abe et al.
patent: 2883966 (1959-04-01), Germann
patent: 3250254 (1966-05-01), Gerspacher

Affiliated with

Also associated with

Rating

Mechanical pencil does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Mechanical pencil, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Mechanical pencil will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-316110