Material spreader frame

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Description

FIG. 1 is a top plan view of a material spreader frame showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is an end view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a reduced top perspective view thereof.

Referenced Cited
U.S. Patent Documents
4375351 March 1, 1983 Allen
4411554 October 25, 1983 Gratzfeld
4555200 November 26, 1985 Morrison
4607979 August 26, 1986 Morrison
4657431 April 14, 1987 Morrison
Other references
  • Morrisons Material Spreader Brochure (undated). Allen Engineering Corp. Material Spreader Brochure .COPYRGT.1982.
Patent History
Patent number: D314578
Type: Grant
Filed: Feb 23, 1988
Date of Patent: Feb 12, 1991
Assignee: Amida Industires, Inc. (Rock Hill, SC)
Inventor: Donald R. Morrison (Charlotte, NC)
Primary Examiner: B. J. Bullock
Assistant Examiner: Sandra Morris
Law Firm: Olive & Olive
Application Number: 7/159,568