Tracheostoma filter

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Description

FIG. 1 is a front perspective view showing my new design for a tracheostoma filter,

FIG. 2 is a rear view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a right side view with the opposite side being a mirror image thereof;

FIG. 6 is a front perspective view of an alternate embodiment showing my design for a tracheostoma filter;

FIG. 7 is a rear view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is a top view thereof; and,

FIG. 10 is a right side view with the opposite side being a mirror image thereof.

Claims

The ornamental design for a tracheostoma filter, as shown and described.

Referenced Cited
U.S. Patent Documents
3920009 November 1975 Olsen
4463757 August 7, 1984 Schmidt
5022394 June 11, 1991 Chmielinski
5666950 September 16, 1997 Smith
5738095 April 14, 1998 Persson
5848590 December 15, 1998 Smith
Patent History
Patent number: D461896
Type: Grant
Filed: Jun 11, 2001
Date of Patent: Aug 20, 2002
Assignee: Kapitex Healthcare Limited (Wetherby)
Inventor: Ian David Worthington (Wetherby)
Primary Examiner: Stella Reid
Attorney, Agent or Law Firm: Jacobson Holman, PLLC
Application Number: 29/143,155
Classifications
Current U.S. Class: Filter (37) (D24/162)
International Classification: 2404;