FIG. 1 is a perspective view of a filter case for water purification;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left-side view thereof;
FIG. 5 is a right-side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
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May 31 2013 |
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QINGDAO ECOPURE FILTER CO , LTD |
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Apr 12 2016 |
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Mar 22 2018 |
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Aug 30 2018 |
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Oct 30 2018 |
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Aug 26 2019 |
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Sep 27 2019 |
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Dec 25 2018 |
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Filter |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Mar 27 2020 | LEE, KYONG SU | MICROFILTER CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 052269 | /0081 |
pdf |
| Mar 27 2020 | HWANG, PIL KANG | MICROFILTER CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 052269 | /0081 |
pdf |
| Mar 27 2020 | JUNG, MIN KYU | MICROFILTER CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 052269 | /0081 |
pdf |
| Mar 27 2020 | LEE, KYONG SU | HISENSE RONSHEN GUANGDONG REFRIGERATOR CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 052269 | /0081 |
pdf |
| Mar 27 2020 | HWANG, PIL KANG | HISENSE RONSHEN GUANGDONG REFRIGERATOR CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 052269 | /0081 |
pdf |
| Mar 27 2020 | JUNG, MIN KYU | HISENSE RONSHEN GUANGDONG REFRIGERATOR CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 052269 | /0081 |
pdf |
| Mar 31 2020 | | MICROFILTER CO., LTD | (assignment on the face of the patent) | | / |
| Mar 31 2020 | | HISENSE RONSHEN (GUANGDONG) REFRIGERATOR CO., LTD. | (assignment on the face of the patent) | | / |