Vacuum flask

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Description

FIG. 1 is a perspective view of a vacuum flask showing our new design thereof;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevationall view thereof;

FIG. 5 is a bottom plan view thereof;

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

FIG. 7 is a rear side view thereof.

Referenced Cited
U.S. Patent Documents
D178658 September 1956 Guild et al.
D288890 March 24, 1987 Lebowitz
D333753 March 9, 1993 Ancona et al.
D343759 February 1, 1994 Jorgensen
D363188 October 17, 1995 Saltet
D402154 December 8, 1998 Joergensen
D411405 June 22, 1999 Thurlow
D413039 August 24, 1999 Schulein
D415648 October 26, 1999 Joergensen
Patent History
Patent number: D426740
Type: Grant
Filed: Jan 6, 1999
Date of Patent: Jun 20, 2000
Inventor: Frank T. H. Huang (Taipei)
Primary Examiner: M. N. Pandozzi
Application Number: 0/98,815
Classifications
Current U.S. Class: D/7318; D7/317; D7/321
International Classification: 0701;