Whistle pen

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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D0601625

CLAIM:
The ornamental design for a whistle pen, as shown and described.

REFERENCES:
patent: 2239793 (1941-04-01), Miller
patent: D146837 (1947-05-01), Thompson
patent: D252690 (1979-08-01), Wong
patent: D279461 (1985-07-01), Lafreniere et al.
patent: D286063 (1986-10-01), Valentine et al.
patent: D344287 (1994-02-01), Johnson
patent: D344760 (1994-03-01), Monzyk
patent: D354689 (1995-01-01), Figard
patent: D465807 (2002-11-01), Murton
patent: D480060 (2003-09-01), Siokola
patent: D573577 (2008-07-01), Huang
patent: D579495 (2008-10-01), Yoon
patent: D585490 (2009-01-01), Puglisi

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