Vacuum flask

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Description

FIG. 1 is a perspective view of a vacuum flask showing my 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 elevational view, and the rear elevational view being the mirror image thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a left side elevational view thereof.

Claims

The ornamental design for vacuum flask, as shown and described.

Referenced Cited
U.S. Patent Documents
D342415 December 21, 1993 Morgan
D382763 August 26, 1997 Jeppesen et al.
D386934 December 2, 1997 Huang
D387951 December 23, 1997 Huang
D393174 April 7, 1998 Mork et al.
D394981 June 9, 1998 Huang
D395576 June 30, 1998 Huang
D417814 December 21, 1999 Huang
D420241 February 8, 2000 Huang
Patent History
Patent number: D444338
Type: Grant
Filed: Nov 16, 1999
Date of Patent: Jul 3, 2001
Inventor: Frank Teh-Hsiung Huang (Taipei)
Primary Examiner: M. N. Pandozzi
Attorney, Agent or Law Firm: Bacon & Thomas, PLLC
Application Number: 29/113,897
Classifications
Current U.S. Class: D7/318; D7/317
International Classification: 0701;