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Description

FIG. 1 is a front elevational view thereof; and,

FIG. 2 is a cross sectional view taken along line 2--2 in FIG. 1.

Referenced Cited
U.S. Patent Documents
D84318 June 1931 Beutke et al.
D84319 June 1931 Beutke et al.
D84320 June 1931 Beutke et al.
D84321 June 1931 Beutke et al.
D84322 June 1931 Buetke et al.
D380431 July 1, 1997 Brown et al.
D380724 July 8, 1997 Brown et al.
382242 August 1888 Brown et al.
383428 September 1888 Brown et al.
D384633 October 7, 1997 Syring
Patent History
Patent number: D398278
Type: Grant
Filed: Aug 22, 1997
Date of Patent: Sep 15, 1998
Inventors: Larry P. Brown (Altadena, CA), Frederick D. Brown (Los Angeles, CA)
Primary Examiner: James Gandy
Assistant Examiner: Stacia Sinuik
Law Firm: Lyon & Lyon LLP
Application Number: 0/75,743
Classifications
Current U.S. Class: Aperture Has Two Straight Sides (D12/211)
International Classification: 1216;