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Patent
D831846
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Priority
Dec 14 2016
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Filed
Dec 14 2016
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Issued
Oct 23 2018
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Expiry
Oct 23 2033
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Assg.orig
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Entity
unknown
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6
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12
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n/a
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The ornamental design for an electromagnetic stirrer, as shown and described.
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FIG. 1 is a top view of an electromagnetic stirrer;
FIG. 2 is a bottom view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a back view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is a top, right side perspective view thereof;
FIG. 8 is a bottom perspective view thereof; and,
FIG. 9 is another top, right side perspective view thereof.
The broken lines represent environmental subject matter and form no part of the claimed design.
Fu, Shenwen, Lin, Yishui, Fang, Nongyu, Liu, Yurong, Luo, Xu
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Patent |
Priority |
Assignee |
Title |
4080663, |
Mar 09 1976 |
|
Magnetic stirrer |
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Magnetic stirrer for multiple samples |
6076957, |
Feb 22 1999 |
BEL-ART PRODUCTS, INC |
Magnetic stirrer adapted for use with microwave ovens |
7494267, |
Aug 30 2005 |
Chemglass, Inc.; CHEMGLASS, INC |
Reaction block for supporting flasks of different sizes for chemical synthesis on a hot plate stirrer |
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BEL-ART PRODUCTS, INC |
Magnetic stirrer |
D558888, |
Aug 30 2005 |
Chemglass, Inc.; CHEMGLASS, INC |
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Magnetic stirrer |
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|
Shaker |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Dec 08 2016 | FU, SHENWEN | GUANGZHOU FOUR E S SCIENTIFIC CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 040940 | /0210 |
pdf |
Dec 08 2016 | LIN, YISHUI | GUANGZHOU FOUR E S SCIENTIFIC CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 040940 | /0210 |
pdf |
Dec 08 2016 | FANG, NONGYU | GUANGZHOU FOUR E S SCIENTIFIC CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 040940 | /0210 |
pdf |
Dec 08 2016 | LIU, YURONG | GUANGZHOU FOUR E S SCIENTIFIC CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 040940 | /0210 |
pdf |
Dec 08 2016 | LUO, XU | GUANGZHOU FOUR E S SCIENTIFIC CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 040940 | /0210 |
pdf |
Dec 14 2016 | | GUANGZHOU FOUR E'S SCIENTIFIC CO., LTD. | (assignment on the face of the patent) | | / |
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