Patent
   D839999
Priority
Nov 18 2016
Filed
Mar 31 2017
Issued
Feb 05 2019
Expiry
Feb 05 2034
Assg.orig
Entity
unknown
1
18
n/a
The ornamental design for a pipe insulation, as shown and described.

FIG. 1 is a front perspective view of two lengths of pipe insulation having inter-connecting ends in a view showing male ends thereof;

FIG. 2 is a rear perspective view of two lengths of pipe insulation having inter-connecting ends in a view showing female ends thereof;

FIG. 3 is an end view of pipe insulation as a form having two halves as an outer layer; and,

FIG. 4 is a side view of two lengths of pipe insulation having inter-connecting ends.

The dashed broken lines shown in the drawings depict environmental subject matter that form no part of the claim.

The pipe insulation is shown with a symbolic break in its length. The appearance of any portion of the pipe insulation between the break lines forms no part of the claim.

Woolward, Brian, Caller, William

Patent Priority Assignee Title
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 10 2017WOOLWARD, BRIANIRREGULAR INSULATION LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0422060421 pdf
Mar 31 2017IRREGULAR INSULATION LTD.(assignment on the face of the patent)
Apr 10 2017CALLER, WILLIAMIRREGULAR INSULATION LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0422060421 pdf
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