USD118241S - Design for a respirator facepiece - Google Patents

Description

w. H 'LEHMBERG D 113,241

RESPIRATOR FACEPIECE Dec. 26, 1939.

Filed April 21, 1938 INVEN TOR Max/0m flzs/ymaaee 98/ :1 ggi omvfi'.

Patented Dec. 26, 1939 De 118,241

UNITED STATES PATENT OFFICE DESIGN FOR A RESPIRATOR FACEPIECE William H. Lehmberg, Still-bridge, Mass., assignor to American Optical Company, Southbridge, Mass., a voluntary association of Massachusetts Application April 21, 1938, Serial No. 76,672

Term of patent 14 years To all whom it may concern: Fig, II is a side view of Fig. I;

Be it known that I, William H. Lehmberg, a Fig, III is a rear view of Fig. I; and citizen of the United States, residing at Stur- Fig. IV is a bottom plan View of Fig. I. bridge, in the county of Worcester and State of The dominant features of my design reside in Massachusetts, have invented a new, original, the portions shown in full lines. and ornamental Design for Respirator Facepiece, I claim: of which the following is a specification, reference The ornamental design for a respirator facebeing made to the accompanying drawing, formpiece, substantially as shown and described. ing a part thereof.

Fig. I is a front view of a respirator facepiece WILLIAM H. LEHMBERG. embodying my design;

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