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United States Patent
September 4, 1990
Gas delivery mask
The ornamental design for a gas delivery mask, as shown and described.
Bellm; Howard G. (The Priory, GB3) Assignee:
July 24, 1987
Foreign Application Priority Data
Jan 30, 1987
Current U.S. Class: D24/110.4 ; D24/110.1
Field of Search:
U.S. Patent Documents Primary Examiner:
Word; A. Hugo
Attorney, Agent or Firm: Fliesler, Dubb Meyer & Lovejoy
FIG. 1 is a top, front and left side perspective view of a gas delivery
mask showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof; and
FIG. 6 is a rear elevational view thereof.
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