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Patent
D861054
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Priority
Nov 20 2015
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Filed
Dec 04 2017
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Issued
Sep 24 2019
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Expiry
Sep 24 2034
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Assg.orig
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Entity
unknown
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15
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37
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n/a
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The ornamental design for a fingered backup ring, as shown and described.
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FIG. 1 shows an isometric view of a top side of a fingered backup ring;
FIG. 2 shows a side view of the fingered backup ring of FIG. 1;
FIG. 3 shows a downward looking view of the fingered backup ring of FIG. 1;
FIG. 4 shows an upward looking view of the fingered backup ring of FIG. 1; and,
FIG. 5 shows an isometric view of a bottom side of the fingered backup ring of FIG. 1.
Davies, Evan Lloyd, Avila, Luis Miguel
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Sep 16 2013 | National Boss Hog Energy Services, LLC | Downhole Technology, LLC | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 045996 | /0734 |
pdf |
Feb 08 2016 | DAVIES, EVAN LLOYD | National Boss Hog Energy Services, LLC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 045996 | /0653 |
pdf |
Feb 08 2016 | VANLUE, DUKE | National Boss Hog Energy Services, LLC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 045996 | /0653 |
pdf |
Feb 08 2016 | AVILA, LUIS MIGUEL | National Boss Hog Energy Services, LLC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 045996 | /0653 |
pdf |
Jun 01 2017 | DAVIES, EVAN LLOYD | Downhole Technology, LLC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 045996 | /0715 |
pdf |
Jun 01 2017 | AVILA, LUIS MIGUEL | Downhole Technology, LLC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 045996 | /0715 |
pdf |
Dec 04 2017 | | Downhole Technology, LLC | (assignment on the face of the patent) | | / |
Sep 30 2019 | Downhole Technology, LLC | The WellBoss Company, LLC | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 050691 | /0420 |
pdf |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a