Air pump for medical use

Description

FIG. 1 is a top, front, right side perspective view of an air pump for medical use showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D222195 October 1971 Hultberg
D224172 July 1972 Schmidt
D237113 October 1975 Hoff et al.
D246668 December 13, 1977 Mackay et al.
D254806 April 22, 1980 Kitai et al.
D315406 March 12, 1991 Dye
4668227 May 26, 1987 Kay
5029576 July 9, 1991 Evan, Sr.
Other references
  • Daigger Catalog 1994 p. 163 at top Left. Cole Parmer Catalog 95-96 p. 1153 at top Rt. Cole Parmer Catalog 95-95 p. 9 1149 At Bottom Left. Journal of Oral & Maxillo Facial Surgery-ENAC Advertisement top L. & Bottom Rt.--no page No. vol. 53, No. 10 Oct. 1995.
Patent History
Patent number: D374075
Type: Grant
Filed: Feb 22, 1995
Date of Patent: Sep 24, 1996
Inventor: Daniel Lee (Taipei)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: Frank Martinez
Law Firm: Bacon & Thomas
Application Number: 0/35,217