Patent
   D981542
Priority
Jun 30 2021
Filed
Jun 30 2021
Issued
Mar 21 2023
Expiry
Mar 21 2038
Assg.orig
Entity
unknown
3
13
n/a
The ornamental design for a heater, as shown and described.

FIG. 1 is a front view;

FIG. 2 is a rear view;

FIG. 3 is a right side view;

FIG. 4 is a left side view;

FIG. 5 is a top view;

FIG. 6 is a bottom view; and,

FIG. 7 is a perspective view.

The broken lines depict environment and form no part of the claimed design.

Shirota, Akihiko, Sengoku, Tadashi, Sengoku, Takehira

Patent Priority Assignee Title
ER8318,
ER9896,
ER9931,
Patent Priority Assignee Title
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20060198084,
20080031603,
20090279879,
20130287375,
20140374403,
20180176991,
CN306944053,
CN306957139,
D479590, Sep 21 2000 Infrared heater
D853542, Jun 26 2017 Emil Frølund Infrared heater
D896938, Jan 09 2019 Radiant heater
JP1388759,
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Jun 29 2021SENGOKU, TADASHISENGOKU WORKS, LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0567330172 pdf
Jun 29 2021SENGOKU, TAKEHIRASENGOKU WORKS, LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0567330172 pdf
Jun 29 2021SHIROTA, AKIHIKOSENGOKU WORKS, LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0567330172 pdf
Jun 30 2021SENGOKU WORKS, LTD.(assignment on the face of the patent)
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