Torsion spring tool
The dashed lines shown in the drawings illustrate portions of the tool that are not presently claimed and thus form no part of the presently claimed design. The shading lines shown in the drawings represent the approximate three-dimensional contour of the claimed design and are not intended to indicate surface decoration.
Claims
The ornamental design for a torsion spring tool, as shown and described.
3979977 | September 14, 1976 | Dorma |
4318315 | March 9, 1982 | Washburn |
5953966 | September 21, 1999 | Spirer |
D644897 | September 13, 2011 | Stricker |
D790936 | July 4, 2017 | Leys |
D806491 | January 2, 2018 | Glover |
- “SureWinder Demonstration,” YouTube.com, URL: https://youtu.be/8z6xYnTa8WU, published Nov. 7, 2010.
- Photo of the torsion spring tool available at least as early as Nov. 7, 2010.
Type: Grant
Filed: Aug 15, 2017
Date of Patent: Jan 22, 2019
Assignees: Sure Winder LLC (Oregon City, OR), (Salem, OR)
Inventors: Loren E. Paulsen (Salem, OR), Christopher Brian Brand (Oregon City, OR)
Primary Examiner: Randall H Gholson
Application Number: 29/613,936