Evaporator flask for a rotary evaporator

- Buchi Labortechnik AG
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Description

FIG. 1 is a top plan view of an evaporator flask for a rotary evaporator, showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevational view thereof, with all other side elevational views being identical thereto, the broken line showing of the rotary evaporator being for illustrative purposes only and forming no part of the claimed design; and,

FIG. 4 is a perspective view of the flask.

Referenced Cited
U.S. Patent Documents
D311249 October 9, 1990 Kasai
D318917 August 6, 1991 Karamian
D326527 May 26, 1992 Straus et al.
D340993 November 2, 1993 Bellotti
4235677 November 25, 1980 Karamian
4678753 July 7, 1987 Hempel et al.
5156812 October 20, 1992 Killough
5398806 March 21, 1995 Quinn
Other references
  • Consolidated Plastic company "Consolidated Amber & Clear Glass bottles with caps" p. 6 .COPYRGT.1993.
Patent History
Patent number: D387176
Type: Grant
Filed: Oct 23, 1995
Date of Patent: Dec 2, 1997
Assignee: Buchi Labortechnik AG (Flawil)
Inventor: Arthur Spring (Flawil)
Primary Examiner: Stella Reid
Law Firm: Shoemaker and Mattare, Ltd.
Application Number: 0/45,524
Classifications
Current U.S. Class: Vessel, Specimen Holder Or Reagent Material (65) (D24/224)
International Classification: 2401;