Combined strainer and shield for use with a dental flask

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Description

FIG. 1 is a front elevational view of a combined strainer and shield for use with a dental flask showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevational view thereof, the opposite side being a mirror image; and

FIG. 5 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D189080 October 1960 Hauser
4589848 May 20, 1986 Inoue
Other references
  • Dixon Dental catalogue (1948), p. 146, Dental Flask.
Patent History
Patent number: D300558
Type: Grant
Filed: Oct 8, 1986
Date of Patent: Apr 4, 1989
Inventor: Casper P. Warnekros (Santa Barbara, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Application Number: 6/916,539
Classifications
Current U.S. Class: D24/16; Drain Guard Or Strainer (12) (D23/261)