Title:
Gas delivery mask
United States Patent D310431


Inventors:
Bellm, Howard G. (The Priory, GB3)
Application Number:
07/077180
Publication Date:
09/04/1990
Filing Date:
07/24/1987
Assignee:
Lifeline Limited (Vale, GB1)
Primary Class:
Other Classes:
D24/110.1
Field of Search:
D29/7-10, D29/12, D29/15-18, 128/205.25, 128/206.12, 128/206.15, 128/206.17, 128/206.19, 128/206.21, 128/206.28, 128/207.17
View Patent Images:
US Patent References:
4723542Breathing mask and its production processFebruary, 1988Giffard128/136
D294410Valve assembly for a respiratorFebruary, 1988MontesiD29/7
D262322Nasal cannula mouth maskDecember, 1981MizerakD29/8
D250131Breathing maskOctober, 1978Lewis et al.D29/8
D168311N/ADecember, 1952LewisD29/8



Primary Examiner:
Word, Hugo A.
Assistant Examiner:
Mcinroy, Ruth
Attorney, Agent or Firm:
Fliesler, Dubb Meyer & Lovejoy
Claims:
1. The ornamental design for a gas delivery mask, as shown and described.

Description:

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.