Children's activity set and lap desk

Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Plural or combined

Design Patent

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Details

CD21S469000, CD19S088000

Design Patent

active

29221810

CLAIM:
The ornamental design for a children's activity set and lap desk, as shown and described.

REFERENCES:
patent: 2134400 (1938-10-01), Grumbacher
patent: 2228355 (1941-01-01), Key
patent: D272363 (1984-01-01), Matsumuro
patent: D280910 (1985-10-01), Fujikura
patent: D349731 (1994-08-01), Leveen et al.
patent: D354636 (1995-01-01), Cable
patent: D363303 (1995-10-01), Winston
patent: D364183 (1995-11-01), Winston
patent: D369183 (1996-04-01), Yoshida
patent: D391988 (1998-03-01), Gayda
patent: D401544 (1998-11-01), Corsetti
patent: D413209 (1999-08-01), Jarke
patent: D433451 (2000-11-01), Schultz
patent: 6183262 (2001-02-01), Tseng
patent: D523080 (2006-06-01), Balzer

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