Grouped writing utensils with wedge shaped shafts

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

Design Patent

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Design Patent

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D0530744

CLAIM:
The ornamental design for grouped writing utensils with wedge shaped shafts, as shown and described.

REFERENCES:
patent: D18032 (1888-01-01), Zeckendorf
patent: D88232 (1932-11-01), Kobak
patent: 3994605 (1976-11-01), McKnight
patent: D246592 (1977-12-01), Zeischegg
patent: D249328 (1978-09-01), Fields
patent: D279621 (1985-07-01), Richer
patent: 4728212 (1988-03-01), Spector
patent: D364248 (1995-11-01), Su
patent: D365849 (1996-01-01), Greer, Jr.
patent: D366730 (1996-01-01), Chen
patent: 5564849 (1996-10-01), Greer, Jr.
patent: D482392 (2003-11-01), Hui
patent: D509624 (2005-09-01), Villani et al.
patent: D509851 (2005-09-01), Huang

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