Solvent storage flask

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Description

FIG. 1 is a front elevational view of a solvent storage flask, showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D230775 March 1974 Frost
2666545 January 1954 Hopfield
3909363 September 1975 Bucalo
4363639 December 14, 1982 Gladon
Other references
  • The Lab Book-Corning Glass Work Catalog, .COPYRGT.1983, Boiling Flasks, pp. 62 and 69.
Patent History
Patent number: D326527
Type: Grant
Filed: Mar 20, 1989
Date of Patent: May 26, 1992
Inventors: Daniel A. Straus (San Jose, CA), John F. Babashak (Millville, NJ)
Primary Examiner: Stella Reid
Application Number: 7/325,481