Patent
   D955346
Priority
Feb 01 2019
Filed
Feb 01 2019
Issued
Jun 21 2022
Expiry
Jun 21 2037
Assg.orig
Entity
unknown
0
12
n/a
The ornamental design for an electronic signal amplification device, substantially as shown and described.

FIG. 1 is a perspective view of an electronic signal amplification device with an adaptor unit attached to a top surface of the electronic device.

FIG. 2 is a front view of FIG. 1.

FIG. 3 is a rear view of FIG. 1.

FIG. 4 is a left side view of FIG. 1.

FIG. 5 is a right side view of FIG. 1.

FIG. 6 is a top view of FIG. 1.

FIG. 7 is a bottom view of FIG. 1.

FIG. 8 is a perspective view of the electronic signal amplification device without the adaptor unit attached.

FIG. 9 is a front view of FIG. 8.

FIG. 10 is a rear view of FIG. 8.

FIG. 11 is a left side view of FIG. 8.

FIG. 12 is a right side view of FIG. 8.

FIG. 13 is a top view of FIG. 8.

FIG. 14 is a bottom view of FIG. 8.

FIG. 15 is a perspective view of the electronic signal amplification device without the base unit attached.

FIG. 16 is a front view of FIG. 15.

FIG. 17 is a rear view of FIG. 15.

FIG. 18 is a left side view of FIG. 15.

FIG. 19 is a right side view of FIG. 15.

FIG. 20 is a top view of FIG. 15; and,

FIG. 21 is a bottom view of FIG. 15.

The broken lines in each figure illustrate features that form no part of the claimed design. The base unit of the electronic signal amplification device (FIGS. 1-14) is represented in broken lines and forms no part of the claimed design.

Cory, Haden, Levine, Gabriella, Day, Matthew David

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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 01 2019X Development LLC(assignment on the face of the patent)
Feb 05 2019LEVINE, GABRIELLA X Development LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0482960995 pdf
Feb 06 2019CORY, HADEN X Development LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0482960995 pdf
Feb 10 2019DAY, MATTHEW DAVIDX Development LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0482960995 pdf
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