Portion of a mask

Medical and laboratory equipment – Equipment for diagnosis – analysis – or treatment – Article for the introduction – removal or collection of fluids

Design Patent

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Details

CD24S110400, CD24S110500

Design Patent

active

29233065

CLAIM:
The ornamental appearance for a portion of a mask, as shown and described.

REFERENCES:
patent: D322318 (1991-12-01), Sullivan
patent: 5074297 (1991-12-01), Venegas
patent: D402755 (1998-12-01), Kwok
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patent: D468823 (2003-01-01), Smart
patent: 6581594 (2003-06-01), Drew et al.
patent: D476732 (2003-07-01), Smart
patent: D486226 (2004-02-01), Guney et al.
patent: D492992 (2004-07-01), Guney et al.
patent: 6823869 (2004-11-01), Raje et al.
patent: 2002/0096176 (2002-07-01), Gunaratnam et al.
patent: 2003/0034034 (2003-02-01), Kwok et al.
patent: 2003/0062048 (2003-04-01), Gradon et al.
patent: 2003/0089373 (2003-05-01), Gradon et al.
U.S. Appl. No. 29/204,104, filed Apr. 2004, Guney et al.

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