Security siren

Measuring – testing – or signalling instruments – Security or signal instrument or casing – Aural – i.e. – audible

Design Patent

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Design Patent

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D0512336

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

REFERENCES:
patent: D189914 (1961-03-01), Emerson
patent: D279965 (1985-08-01), Mikami
patent: D339647 (1993-09-01), Kawashima et al.
patent: D434865 (2000-12-01), Hussaini et al.
patent: D440175 (2001-04-01), Hu
patent: D452454 (2001-12-01), Bekasi et al.
patent: D471658 (2003-03-01), Byggmastar
patent: 6885295 (2005-04-01), Hanson-Abbott et al.

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