Oxygen valve key

Description

FIG. 1 is a left end perspective view of the oxygen valve key showing the new design;

FIG. 2 is a right end perspective view thereof;

FIG. 3 is a left end elevational view thereof;

FIG. 4 is a right end elevational view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D290581 June 30, 1987 Hughes
D348603 July 12, 1994 Castleman et al.
Patent History
Patent number: D399564
Type: Grant
Filed: Dec 6, 1996
Date of Patent: Oct 13, 1998
Inventor: Aubrey Shelton Rogerson (Goldsboro, NC)
Primary Examiner: Stella Reid
Law Firm: Mills Law Firm PLLC
Application Number: 0/63,357
Classifications
Current U.S. Class: Pulmonary (38) (D24/164)
International Classification: 2401;