Powered ascender and descender
Description
The broken lines show portions of a powered ascender and descender that form no part of the claimed design.
Claims
The ornamental design for a powered ascender and descender, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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Patent History
Patent number: D843813
Type: Grant
Filed: Jul 5, 2017
Date of Patent: Mar 26, 2019
Inventor: Stephan W. Tillitski (Cashiers, NC)
Primary Examiner: Garth Rademaker
Assistant Examiner: Fritzgerald L Butac
Application Number: 29/609,734
Type: Grant
Filed: Jul 5, 2017
Date of Patent: Mar 26, 2019
Inventor: Stephan W. Tillitski (Cashiers, NC)
Primary Examiner: Garth Rademaker
Assistant Examiner: Fritzgerald L Butac
Application Number: 29/609,734
Classifications
Current U.S. Class:
D8/356