Cap for a writing instrument

Details Cap for a writing instrument Cap for a writing instrument

1992-02-25

1993-08-24

Holtje, Nelson C.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Element or attachment

D19 48, D19 51, D19 56

Patent

active

D03386864

REFERENCES:
patent: D282378 (1986-01-01), Ohyabu et al.
patent: D312391 (1990-11-01), Vitrac
patent: D317625 (1991-06-01), Itoh
patent: D318294 (1991-07-01), Cho-Kai
patent: D325221 (1992-04-01), Ito
patent: D331780 (1992-12-01), Cheng

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