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. |
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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
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