Patent
   D911433
Priority
Jan 09 2019
Filed
Feb 02 2019
Issued
Feb 23 2021
Expiry
Feb 23 2036
Assg.orig
Entity
unknown
3
51
n/a
The ornamental design for a calculator, as shown and described.

FIG. 1 is a top-down perspective view of a calculator showing my new design;

FIG. 2 is a front side elevation view thereof;

FIG. 3 is a rear side elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a bottom plan view thereof;

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

FIG. 8 is a bottom-up perspective view thereof.

The horizontal shading lines on the front surface and the rear surface show a reflective material of the calculator.

The oblique shading lines on the buttons, the margin and the side surfaces show a transparent material of the calculator.

The oblique shading lines on the two screens do not show a transparent material of the calculator.

Yang, Jiongmian

Patent Priority Assignee Title
D941387, Feb 02 2019 FOSHAN CITY NANHAI HUISEN PLEXIGLASS CRAFTS CO., LTD Calculator
D978961, Feb 23 2021 Electronic calculator
ER2758,
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Jan 18 2019YANG, JIONGMIANFOSHAN CITY NANHAI HUISEN PLEXIGLASS CRAFTS CO ,LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0482300367 pdf
Feb 02 2019FOSHAN CITY NANHAI HUISEN PLEXIGLASS CRAFTS CO., LTD(assignment on the face of the patent)
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