Stackable ladder
Description
Claims
I claim the ornamental design for a stackable ladder, as shown and described.
Referenced Cited
U.S. Patent Documents
972684 | October 1910 | Devan |
1028453 | June 1912 | Glover |
1952878 | March 1934 | Marschutz |
D394715 | May 26, 1998 | Pearson |
Patent History
Patent number: D609365
Type: Grant
Filed: May 29, 2009
Date of Patent: Feb 2, 2010
Inventor: Doug Smith (Morton, IL)
Primary Examiner: Doris Clark
Attorney: Law Offices of Robert M. Patino
Application Number: 29/315,143
Type: Grant
Filed: May 29, 2009
Date of Patent: Feb 2, 2010
Inventor: Doug Smith (Morton, IL)
Primary Examiner: Doris Clark
Attorney: Law Offices of Robert M. Patino
Application Number: 29/315,143
Classifications
Current U.S. Class:
Ladder (D25/64)