Filtering face piece

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Description

FIG. 1 is a front view of a filtering face piece according to the present invention;

FIG. 2 is a rear perspective view thereof; and

FIG. 3 is a side perspective view thereof.

Referenced Cited
U.S. Patent Documents
D248497 July 11, 1978 Slosek
Patent History
Patent number: D265006
Type: Grant
Filed: Oct 3, 1979
Date of Patent: Jun 15, 1982
Assignee: Martindale Protection Limited (London)
Inventor: William T. Levy (London)
Primary Examiner: Veronica O'Keefe
Law Firm: Oblon, Fisher, Spivak, McClelland & Maier
Application Number: 6/81,441
Classifications
Current U.S. Class: D29/8; D29/7; 128/20525; 128/20614; 128/20619; 128/20628; D24/99
International Classification: D2999;