Respiratory filter

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

CD24S162000

Design Patent

active

D0452911

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

REFERENCES:
patent: D253721 (1979-12-01), Gibeck
patent: D301377 (1989-05-01), Lambert
patent: 4976857 (1990-12-01), Solomon
patent: 5240479 (1993-08-01), Bachinski
patent: 5320096 (1994-06-01), Hans

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