IP Library › Granted Patent US 861,054
Granted Patent S1
US 861,054 · App. 29/628,344 · Granted Sep 24, 2019

Fingered backup ring

Inventors: Luis Miguel Avila (Houston, TX); Evan Lloyd Davies (Houston, TX)
Assignee: Downhole Technology, LLC
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Quick Facts
Patent No.
US 861,054
App. No.
29/628,344
Granted
Sep 24, 2019
Kind
S1
Claims (1)

The ornamental design for a fingered backup ring, as shown and described.

Assignments (4)
CHANGE OF NAME Recorded Oct 11, 2019
From: DOWNHOLE TECHNOLOGY, LLC
To: THE WELLBOSS COMPANY, LLC
Reel/Frame 050691/0420 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 6, 2018
From: DAVIES, EVAN LLOYD; VANLUE, DUKE; AVILA, LUIS MIGUEL
To: NATIONAL BOSS HOG ENERGY SERVICES, LLC
Reel/Frame 045996/0653 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 6, 2018
From: DAVIES, EVAN LLOYD; AVILA, LUIS MIGUEL
To: DOWNHOLE TECHNOLOGY, LLC
Reel/Frame 045996/0715 →
CHANGE OF NAME Recorded Jun 6, 2018
From: NATIONAL BOSS HOG ENERGY SERVICES, LLC
To: DOWNHOLE TECHNOLOGY, LLC
Reel/Frame 045996/0734 →
Continuity (2)
Continuation 29546380 · Nov 20, 2015
Continuation 14948240 · Nov 20, 2015