Barking doorbell with speaker

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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D0510886

CLAIM:
The ornamental design for a barking doorbell with speaker, as shown and described.

REFERENCES:
patent: 1339703 (1920-05-01), Green
patent: D66957 (1925-03-01), Schott
patent: D70279 (1926-06-01), Jupp
patent: 2288303 (1942-06-01), Ryan et al.
patent: D208970 (1967-10-01), Sawallesh
patent: D392183 (1998-03-01), Burris
patent: D403238 (1998-12-01), Burris
Dog plaque http://www.rubylane.com/shops/waitingdogs/item/weimpl1?froogle=1 Apr. 2, 2005.
Dog Doorbell http://www.finegardenproducts.com/fgp/index.cfm?fuseaction=customer.product&product_code=FF%2DGCD202 Apr. 2, 2005.
Dog Doorbell http://www.dogdecor.com/german-shepherd-doorbell.html Apr. 2, 2005.

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