Low profile mask adaptor

Description

FIG. 1 is a front and top perspective view of a low profile mask adaptor showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof, the opposite side elevational view being a mirror image of that shown;

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.

Referenced Cited
U.S. Patent Documents
4192301 March 11, 1980 Hardwick
4263907 April 28, 1981 Lindsey
4870963 October 3, 1989 Carter
Foreign Patent Documents
1203767 September 1970 GBX
Patent History
Patent number: D331298
Type: Grant
Filed: Nov 15, 1990
Date of Patent: Nov 24, 1992
Assignee: American Safety Flight Systems (Glendale, CA)
Inventor: Joseph S. Danon (Los Angeles, CA)
Primary Examiner: Kay H. Chin
Law Firm: Graham & James
Application Number: 7/614,737
Classifications
Current U.S. Class: D29/7