Oxygen administering mask unit
US D197451 S
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Description (OCR text may contain errors)
Des. 197,451 Patented Feb. 4, 1964 United States Patent 0 ice OXYGEN ADMINISTERING MASK UNIT Dudley H. Grimm, Leawood, Kans., assignor to Puritan Compressed Gas Corporation, Kansas City, Mo., a corporation of Missouri Filed July 16, 1962, Ser. No. 70,936
Term of patent 14 years (Cl. D831) FIG. 1 is a front elevational view of an oxygen admin- The fragmentary bag member shown in broken lines istering mask unit, showing my new design with the tube in FIGS. 1, 2 and 3 is for illustrative purposes only. member broken away in part to indicate indeterminate I claim: length;
The ornamental design for an oxygen administering mask unit, as shown and described.
FIG. 2 is a side elevational view thereof with the tube fragmentarily shown for convenience of illustration;
FIG. 3 is a rear elevational view thereof as shown in References Cited in the file Of this Patent FIG. 2;
UNITED STATES PATENTS FIG. 4 is a bottom plan view of an oxygen administering mask unit; and
D. 120,373 Boothby et a1. May 7, 1940 D. 167,857 1,445,010
Russell Sept 30, 1952 Feinberg Feb. 13, 1923 FIG. 5 is a longitudinal sectional view taken substantially along 55 of the mask member shown in FIG. 1.