Patent
   D921228
Priority
Aug 09 2019
Filed
Jan 30 2020
Issued
Jun 01 2021
Expiry
Jun 01 2036
Assg.orig
Entity
unknown
2
14
n/a
The ornamental design for an acoustic building element, as shown and described.

FIG. 1 is a perspective view of a first embodiment of an acoustic building element showing my new design;

FIG. 2 is a front view of the acoustic building element of FIG. 1, the side view from the left side being a mirror image thereof;

FIG. 3 is an end view of the acoustic building element of FIG. 1 taken from the right side, the rear view being identical thereto;

FIG. 4 is a perspective view of a second embodiment of an acoustic building element showing my new design;

FIG. 5 is a front view of the acoustic building element of FIG. 4, the side view from the left side being a mirror image thereof;

FIG. 6 is an end view of the acoustic building element of FIG. 4 taken from the right side, the rear view being identical thereto;

FIG. 7 is a perspective view of a third embodiment of an acoustic building element showing my new design;

FIG. 8 is a is a front view of the acoustic building element of FIG. 7, the side view from the left side being a mirror image thereof;

FIG. 9 is an end view of the acoustic building element of FIG. 4 taken from the right side, the rear view being identical thereto; and,

FIG. 10 is a top view of the first embodiment of an acoustic building element shown in FIG. 1 the top views of the second embodiment shown in FIG. 4 and the third embodiment shown in FIG. 7 being identical thereto.

No drawing figures showing a bottom view are provided, as the bottoms of the acoustic building elements are flat and include no surface ornamentation.

Sørensen, Nicolai

Patent Priority Assignee Title
ER4942,
ER8106,
Patent Priority Assignee Title
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Jan 14 2020SØRENSEN, NICOLAIHARRITSORENSEN APSASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0516690209 pdf
Jan 14 2020HARRITSORENSEN APSROCKWOOL INTERNATIONAL A SASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0516690269 pdf
Jan 30 2020Rockwool International A/S(assignment on the face of the patent)
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