Fetal lung maturation tester

- Beckman Instruments, Inc.

FIG. 1 is a top right front perspective view of a fetal lung maturation tester showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a right side elevational view thereof; and

FIG. 7 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D256053 July 22, 1980 Steigerwald
D264127 April 27, 1982 Peterson
3785773 January 1974 Rohrbaugh
3905772 September 1975 Harnett
4055396 October 25, 1977 Meyer
4195060 March 25, 1980 Terk
4237096 December 2, 1980 Popoff
4389374 June 21, 1983 Sutton
4391780 July 5, 1983 Boris
Patent History
Patent number: D276271
Type: Grant
Filed: Apr 12, 1982
Date of Patent: Nov 6, 1984
Assignee: Beckman Instruments, Inc. (Fullerton, CA)
Inventor: Michael J. Boris (Yorba Linda, CA)
Primary Examiner: Nelson C. Holtje
Attorneys: R. J. Steinmeyer, J. E. Vanderburgh, T. R. Schulte
Application Number: 6/367,313
Current U.S. Class: D24/8; Chemical (12) (D10/81); D24/17; D24/56