Adjustable ladder extension
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Description
Claims
The ornamental design for an adjustable ladder extension, as shown and described.
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Patent History
Patent number: D869688
Type: Grant
Filed: Dec 6, 2017
Date of Patent: Dec 10, 2019
Assignee: (Poulsbo, WA)
Inventor: Philip F. Lanzafame (Poulsbo, WA)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Michael A Maharajh
Application Number: 29/628,577
Type: Grant
Filed: Dec 6, 2017
Date of Patent: Dec 10, 2019
Assignee: (Poulsbo, WA)
Inventor: Philip F. Lanzafame (Poulsbo, WA)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Michael A Maharajh
Application Number: 29/628,577
Classifications
Current U.S. Class:
Element Of Attachment (13) (D25/68)