Patent
   D941969
Priority
Dec 09 2019
Filed
Dec 09 2019
Issued
Jan 25 2022
Expiry
Jan 25 2037
Assg.orig
Entity
unknown
2
19
n/a
The ornamental design for a pipe coupling ring, as shown and described.

FIG. 1 is a front, top, right perspective view of a pipe coupling ring showing my new design;

FIG. 2 is a rear, top, left perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines illustrating portions of the pipe coupling ring form no part of the claimed design. The dot-dash broken lines defining the boundaries of the claimed design form no part of the claimed design.

Kawanishi, Hidehito

Patent Priority Assignee Title
ER6579,
ER9002,
Patent Priority Assignee Title
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Nov 22 2019KAWANISHI, HIDEHITOSK-KAWANISHI CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0512360088 pdf
Dec 09 2019SK-KAWANISHI CO., LTD.(assignment on the face of the patent)
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