USD233953S - Transparent air filtering mask - Google Patents
Transparent air filtering mask Download PDFInfo
- Publication number
- USD233953S USD233953S US D233953 S USD233953 S US D233953S
- Authority
- US
- United States
- Prior art keywords
- air filtering
- filtering mask
- transparent air
- transparent
- mask
- Prior art date
Links
- 238000001914 filtration Methods 0.000 title description 8
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Description
United States Patent 0 TRANSPARENT AIR FILTERING MASK Robert A. Stegmon, 2151 NE. 124th St, Miami, Fla. 33156 Filed Jan. 8, 1973, Ser. No. 321,640 Term of patent 14 years Int. Cl- D29-02; D24--99 US. Cl. D83- 1 K FIG. 1 is a front elevation of a transparent air filtering mask, showing my new design;
FIG. 2 is a side elevation thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a rear elevation thereof; and
FIG. 5 is a bottom plan view thereof.
I claim:
The ornamental design for a transparent air filtering mask, as shown.
D. 161,337 D. 198,716 D. 219,630 3,137,296 3,152,588 3,249,108
Des. 233,953 Patented Dec. 17, 1974 References Cited UNITED STATES PATENTS Hill D83--1 K Colley D2233 Brno D83-1 K Gurtowski D83--l K Rogowski 128-l42.6 Terman 128146.3
BERNARD ANSHER, Primary Examiner
Family
ID=
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