Ultra violet unit for protecting sterile systems

Description

FIG. 1 is a left elevational view of a ultra violet unit for protecting sterile systems, the right side being a mirror of the left side;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D137634 April 1944 Jones
D141765 July 1945 Jones
D187843 May 1960 Schaefer
D215000 August 1969 Young
D253066 October 2, 1979 Karamian
D254265 February 19, 1980 Karamian
D254441 March 11, 1980 Lemoine
D266347 September 28, 1982 Karamian
D291719 September 1, 1987 Karamian
D296352 June 21, 1988 Luzenberg
2456152 December 1948 Schneider
2888028 May 1959 Hill
4342915 August 3, 1982 Karamian
Patent History
Patent number: D328327
Type: Grant
Filed: May 8, 1990
Date of Patent: Jul 28, 1992
Inventor: Narbik A. Karamian (Bethesda, MD)
Primary Examiner: James R. Largen
Attorney: Joseph P. Nigon
Application Number: 7/520,387
Classifications
Current U.S. Class: Treatment (D23/207)