Whistle

Details Whistle Whistle

2003-02-25

2004-04-06

Holtje, Nelson C. (Department: 2913)

Measuring, testing, or signalling instruments

Security or signal instrument or casing

Aural, i.e., audible

Design Patent

active

D0488085

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

REFERENCES:
patent: D96272 (1935-07-01), Neill
patent: D102543 (1936-12-01), Butterfield
patent: D133871 (1942-09-01), Kolar
patent: 4821670 (1989-04-01), Foxcroft et al.
patent: 5086726 (1992-02-01), Sharp
patent: 5564360 (1996-10-01), Wright
patent: 5816186 (1998-10-01), Shepherd
patent: D409939 (1999-05-01), Sharp et al.

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