Ring gasket

Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Fitting

Design Patent

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Design Patent

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D0643912

CLAIM:
We claim the ornamental design for a ring gasket, as shown and described.

REFERENCES:
patent: 2816780 (1957-12-01), Ross
patent: D196724 (1963-10-01), Davis, Jr.
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patent: 7341287 (2008-03-01), Gibb et al.
patent: D598988 (2009-08-01), Jaccoby et al.
patent: D633991 (2011-03-01), Nakagawa
patent: 2011/0133415 (2011-06-01), Vu
patent: 200606366 (2006-02-01), None
Taiwan Search Report; Feb. 22, 2011; 1 page.
English Translation of Taiwan Search Report; Feb. 22, 2011; pp. 1-3.

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