Unitary tree ladder
Description
Claims
The ornamental design for a unitary tree ladder, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D872308
Type: Grant
Filed: Aug 13, 2018
Date of Patent: Jan 7, 2020
Inventor: Jon Bradford Hand (Shreveport, LA)
Primary Examiner: Gino Colan
Application Number: 29/659,849
Type: Grant
Filed: Aug 13, 2018
Date of Patent: Jan 7, 2020
Inventor: Jon Bradford Hand (Shreveport, LA)
Primary Examiner: Gino Colan
Application Number: 29/659,849
Classifications
Current U.S. Class:
Ladder (D25/64)