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United States Patent D340,836
Cautereels November 2, 1993

Drinking flask


The ornamental design for a drinking flask, as shown.
Inventors: Cautereels; Victor J. J. (Borsbeek, BE)
Assignee: Dart Industries Inc. (Deerfield, IL)
Appl. No.: 07/819,533
Filed: January 10, 1992

Current U.S. Class: D7/511 ; D7/300.1; D9/504
Field of Search: D7/507,509,510,511,512,518,521,533,536,300,598,312,316,317,534,535,300.1,591 D12/158 D9/515,503,504,500,558 220/755,630,254,717 D11/152 215/12.1

References Cited

U.S. Patent Documents
D23548 August 1894 Low
D44463 August 1913 Ackermann
D198720 July 1964 Lofgren
D248373 July 1978 Allen
D265974 August 1982 Gombert
D283677 May 1986 Fortuna et al.
D286604 November 1986 Bierlein et al.
D299102 December 1988 Maki
1190203 July 1916 Sorge, Jr.
2569139 September 1951 Abelson
3001564 February 1959 Hopkins
3369691 February 1968 Wei
4616761 October 1986 Nolan
4678082 July 1987 Fillmore
Primary Examiner: Douglas; Alan P.
Assistant Examiner: Pandozzi; M. N.
Attorney, Agent or Firm: Doninger; John A.


FIG. 1 is a perspective view of a drinking flask showing the new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a front view thereof; and,

FIG. 8 is a vertical cross-sectional view thereof.

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