Ladder
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Description
Claims
The ornamental design for a ladder, as shown and described.
Referenced Cited
U.S. Patent Documents
4276955 | July 7, 1981 | Hickman |
D444574 | July 3, 2001 | Gibson |
D466225 | November 26, 2002 | Rosko |
6536557 | March 25, 2003 | Gibson |
6550579 | April 22, 2003 | Gibson |
7931123 | April 26, 2011 | Moldthan |
8002084 | August 23, 2011 | Huang |
D797955 | September 19, 2017 | Wilbur |
10221624 | March 5, 2019 | Leng |
20020043431 | April 18, 2002 | Gibson |
Patent History
Patent number: D889689
Type: Grant
Filed: Nov 10, 2017
Date of Patent: Jul 7, 2020
Assignee: WING ENTERPRISES, INC. (Springville, UT)
Inventors: Brian B. Russell (Saratoga Springs, UT), N. Ryan Moss (Mapleton, UT), B. Scott Maxfield (Spanish Fork, UT), Steve L. Puertas (Orem, UT)
Primary Examiner: Gino Colan
Application Number: 29/625,664
Type: Grant
Filed: Nov 10, 2017
Date of Patent: Jul 7, 2020
Assignee: WING ENTERPRISES, INC. (Springville, UT)
Inventors: Brian B. Russell (Saratoga Springs, UT), N. Ryan Moss (Mapleton, UT), B. Scott Maxfield (Spanish Fork, UT), Steve L. Puertas (Orem, UT)
Primary Examiner: Gino Colan
Application Number: 29/625,664
Classifications
Current U.S. Class:
Ladder (D25/64)