Measuring – testing – or signalling instruments – Security or signal instrument or casing – Aural – i.e. – audible
Design Patent
1999-12-03
2001-04-10
Jackson, Marcus A. (Department: 2911)
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Aural, i.e., audible
Design Patent
active
D0440175
CLAIM:
The ornamental design for a siren, as shown and described.
REFERENCES:
patent: D. 279771 (1985-07-01), Hinata
patent: D. 345317 (1994-03-01), Issa
patent: D. 382221 (1997-08-01), Chen
patent: D. 397636 (1998-09-01), Chu
patent: D. 406074 (1999-02-01), Hu
Alertek Corporation
Huang Jaiwei
J.C. Patents
Jackson Marcus A.
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