Fingered backup ring
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Description
Claims
The ornamental design for a fingered backup ring, as shown and described.
Referenced Cited
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Patent History
Patent number: D861054
Type: Grant
Filed: Dec 4, 2017
Date of Patent: Sep 24, 2019
Assignee: Downhole Technology, LLC (Houston, TX)
Inventors: Luis Miguel Avila (Houston, TX), Evan Lloyd Davies (Houston, TX)
Primary Examiner: Patricia A Palasik
Application Number: 29/628,344
Type: Grant
Filed: Dec 4, 2017
Date of Patent: Sep 24, 2019
Assignee: Downhole Technology, LLC (Houston, TX)
Inventors: Luis Miguel Avila (Houston, TX), Evan Lloyd Davies (Houston, TX)
Primary Examiner: Patricia A Palasik
Application Number: 29/628,344
Classifications
Current U.S. Class:
Miscellaneous (D15/199)