Uneven surface ladder
Description
FIG. 1 is a perspective view of the uneven surface ladder embodying the design of the present invention.
FIG. 2 is a front elevational view thereof;
FIG. 3 is a side elevational view thereof;
FIG. 4 is a top plan view thereof; and,
FIG. 5 is a bottom plan view thereof.
Claims
I claim the ornamental design for an uneven surface ladder, as shown and described.
Referenced Cited
U.S. Patent Documents
Patent History
Patent number: D457650
Type: Grant
Filed: Aug 8, 2001
Date of Patent: May 21, 2002
Inventor: Gary W. MacDuff (Vanderhoof, British Columbia)
Primary Examiner: Doris Clark
Attorney, Agent or Law Firm: Donald R. Schoonover
Application Number: 29/146,307
Type: Grant
Filed: Aug 8, 2001
Date of Patent: May 21, 2002
Inventor: Gary W. MacDuff (Vanderhoof, British Columbia)
Primary Examiner: Doris Clark
Attorney, Agent or Law Firm: Donald R. Schoonover
Application Number: 29/146,307
Classifications