Step ladder
Latest Tricam Industries, Inc. Patents:
Description
The dashed broken lines in the drawings depict portions of the step ladder that form no part of the claimed design.
Claims
We claim the ornamental design for step ladder, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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Patent History
Patent number: D840055
Type: Grant
Filed: Jan 12, 2018
Date of Patent: Feb 5, 2019
Assignee: Tricam Industries, Inc. (Eden Prairie, MN)
Inventors: Jeff D. Skubic (Eden Prairie, MN), Dennis D. Simpson (Plymouth, MN), Benjamin P. Williams (Chaska, MN), Yongxue Lu (Shanghai)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Gino Colan
Application Number: 29/633,324
Type: Grant
Filed: Jan 12, 2018
Date of Patent: Feb 5, 2019
Assignee: Tricam Industries, Inc. (Eden Prairie, MN)
Inventors: Jeff D. Skubic (Eden Prairie, MN), Dennis D. Simpson (Plymouth, MN), Benjamin P. Williams (Chaska, MN), Yongxue Lu (Shanghai)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Gino Colan
Application Number: 29/633,324
Classifications
Current U.S. Class:
Ladder (D25/64)