Stepladder
Description
Claims
We claim the ornamental design for stepladder, as shown.
Referenced Cited
U.S. Patent Documents
Other references
| 1283212 | October 1918 | Kloepfer et al. |
| 2186119 | January 1940 | Moen |
| 3269485 | August 1966 | Larson |
| 4204587 | May 27, 1980 | Larson |
| 4210224 | July 1, 1980 | Kummerlin et al. |
| 4371055 | February 1, 1983 | Ashton et al. |
| 4560030 | December 24, 1985 | Mucelli |
| 4834216 | May 30, 1989 | Wallick et al. |
| 4951780 | August 28, 1990 | Kim |
| D387878 | December 16, 1997 | Jacques |
| D388882 | January 6, 1998 | Kain |
| D410550 | June 1, 1999 | Meyers |
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| D416092 | November 2, 1999 | Meyers |
| 6012548 | January 11, 2000 | Kim |
- Little Giant Ladder Systems®, Wing Enterprises, Inc., Operating and Safety Instructions, pp. 1-17, Aug. 1, 1990.
- Little Giant Ladder Systems®, Wing Enterprises, Inc., Operating and Safety Instructions, pp. 1-18, Aug. 1, 1990.
Patent History
Patent number: D548364
Type: Grant
Filed: May 23, 2006
Date of Patent: Aug 7, 2007
Assignee: Tricam Industries, Inc. (Eden Prairie, MN)
Inventors: Jeff Skubic (Elk River, MN), Jon Sommers (Eden Prairie, MN), Kirby Howard (Acworth, GA)
Primary Examiner: Doris Clark
Attorney: Patterson, Thuente, Skaar & Christensen, P.A.
Application Number: 29/260,349
Type: Grant
Filed: May 23, 2006
Date of Patent: Aug 7, 2007
Assignee: Tricam Industries, Inc. (Eden Prairie, MN)
Inventors: Jeff Skubic (Elk River, MN), Jon Sommers (Eden Prairie, MN), Kirby Howard (Acworth, GA)
Primary Examiner: Doris Clark
Attorney: Patterson, Thuente, Skaar & Christensen, P.A.
Application Number: 29/260,349
Classifications
Current U.S. Class:
Ladder (D25/64)