Grey respiratory mask having black lines of demarcation

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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Design Patent

active

D0646380

CLAIM:
The ornamental design for a grey respiratory mask having black lines of demarcation, as shown and described.

REFERENCES:
patent: 2362382 (1944-11-01), Lehmberg
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U.S. Appl. No. 29/233,051 to Remer et al., filed Jun. 27, 2005 entitledA Personal Respiratory Protection Device.
Product Literature:Glendale Respiratory Protection, Glendale Optical Company, Inc.
Product Literature:Delta Disposable Respirators, Racal Health & Safety, Inc.
Product Literature:Racal® N95 Respirator&Delta® N95 Respirator, Racal Health & Safety, Inc. (1995).

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