Noise reduction filter

Equipment for production – distribution – or transformation of ene – Energy conversion or transformation – Transformer – rectifier or casing therefor

Design Patent

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Details

CD13S199000

Design Patent

active

D0532748

CLAIM:
The ornamental design for a noise reduction filter, as shown and described.

REFERENCES:
patent: 4885559 (1989-12-01), Nakano
patent: D314186 (1991-01-01), Fujioka
patent: D319217 (1991-08-01), Fujioka
patent: 5900796 (1999-05-01), Parker
patent: 6469589 (2002-10-01), Takeda
patent: 6512425 (2003-01-01), Morita et al.
2003 Tsunami Premium Installation Accessories Catalog, pp. cover, 53, published Feb. 2003.
2004 Tsunami Premium Installation Accessories Catalog, pp. cover, 56, published Feb. 2004.

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