Test tube

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Description

FIG. 1 is a perspective view of a test tube showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D246600 December 6, 1977 Kurata
2288065 June 1942 Benotti
3350946 November 1967 Isreeli
Patent History
Patent number: D296928
Type: Grant
Filed: Sep 24, 1985
Date of Patent: Jul 26, 1988
Inventors: Guo R. Lee (Hua Lien City), Ching H. Liu (Hua Lien City)
Primary Examiner: A. Hugo Word
Assistant Examiner: Stella M. Reid
Law Firm: Ladas & Parry
Application Number: 6/779,663
Classifications
Current U.S. Class: D24/32
International Classification: D2429;8;56;