Scaffold unit

Description

FIG. 1 is a perspective view of a scaffold unit embodying my new design;

FIG. 2 is a side elevational view of my scaffold unit, the scaffold planking being shown in phantom lines for environmental purposes only and forms no part of the claimed design;

FIG. 3 is a rear elevational view thereof taken from the left-hand end of FIG. 2; and,

FIG. 4 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D216158 November 1969 Williams
D349165 July 26, 1994 Jasmund
2297316 September 1942 Padgett
3119590 January 1964 Eriksson
3134567 May 1964 Shoemaker
3595510 July 1971 Hutchinson
3698680 October 1972 Shoemaker
4153229 May 8, 1979 Bequette
4298096 November 3, 1981 Prior
4957185 September 18, 1990 Courchesne et al.
5062607 November 5, 1991 Kisner
5259477 November 9, 1993 Fears et al.
5727650 March 17, 1998 Thomas
Patent History
Patent number: D413681
Type: Grant
Filed: Jun 10, 1998
Date of Patent: Sep 7, 1999
Inventor: Mark W. Zumwalt (Godfrey, IL)
Primary Examiner: Doris Clark
Attorney: Richard G. Heywood
Application Number: 0/89,207
Classifications
Current U.S. Class: Element Of Attachment (13) (D25/68)
International Classification: 2504;