USD234012S - Combined optical and nasal air filter mask - Google Patents
Combined optical and nasal air filter mask Download PDFInfo
- Publication number
- USD234012S USD234012S US D234012 S USD234012 S US D234012S
- Authority
- US
- United States
- Prior art keywords
- air filter
- combined optical
- filter mask
- nasal air
- nasal
- Prior art date
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- 230000003287 optical Effects 0.000 title description 8
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Description
United States Patent 0 "we 2344112 Patented Dec. 24, 1974 COMBINED OPTICAL AND NASAL AIR FILTER MASK Robert A. Stegman, 2151 NE. 124th St., Miami, Fla. 33161 Filed May 14, 1973, Ser. No. 359,660
Term of patent 14 years Int. Cl. D24-99; D2-03 US. Cl. D83-1 K FIG. 1 is a front elevation of a combined optical and References Cited nasal air filter mask, showing my new design; UNITED STATES PATENTS FIG. 2 is a top plan view thereof;
FIG. 3 is a left side elevation thereof; 200534 4/1965 Williams D2234 FIG 4 is a rear ation thereof; and 5:5 5:15; 5 is a ot m elevation thereof. 9 uch -I28 142.4 The gh Side elevation 0f the mask is the same as 8 1424 shown in FIG. 3 3,009,462 11/1961 Hawley 12 I claim:
, E n r The ornamental design for a combined optical and nasal BERNARD ANSHER Pnmary xaml 6 air filter mask, as shown and described.
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