Vacuum flask
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
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
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;
International Classification: 0701;