Signboard frame

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Description

FIG. 1 is a perspective view of a signboard frame showing our new design;

FIG. 2 is a fragmentary front elevational view thereof, the rear elevational view being a mirror image;

FIG. 3 is a fragmentary exterior side elevational view thereof;

FIG. 4 is a fragmentary interior side elevational view thereof; and

FIG. 5 is a sectional view taken along line V--V in FIG. 1.

Referenced Cited
U.S. Patent Documents
D172278 May 1954 Helms
D254643 April 8, 1980 Ashenfarb
3389389 June 1968 Minear
3391481 July 1968 Lloyd
3552708 January 1971 Hillstrom
3728833 April 1973 Grossman
3750138 July 1973 Burgan et al.
3842564 October 1974 Brown
3863372 February 1975 Stilling
4149333 April 17, 1979 Garfinkle
4169327 October 2, 1979 Stilling
4274237 June 23, 1981 Hagstrom
4380880 April 26, 1983 Gandy
4420138 December 13, 1983 Sobel
Patent History
Patent number: D308603
Type: Grant
Filed: Oct 14, 1987
Date of Patent: Jun 19, 1990
Assignee: Silent Sound Systems, Inc. (Grand Rapids, MI)
Inventors: H. Thomas De Maat (Holland, MI), Jay Schoeppe (Hudsonville, MI)
Primary Examiner: Bernard Ansher
Assistant Examiner: Terry A. Pfeffer
Law Firm: Warner, Norcross & Judd
Application Number: 7/108,034
Classifications
Current U.S. Class: D/6300