Air purifier
Li , et al.
U.S. patent number D891,599 [Application Number D/687,337] was granted by the patent office on 2020-07-28 for air purifier. This patent grant is currently assigned to 3M Innovative Properties Company. The grantee listed for this patent is 3M INNOVATIVE PROPERTIES COMPANY. Invention is credited to Man Li, Liliang Liu, Kin Hang Siu, Xuefeng Sun.
| United States Patent | D891,599 |
| Li , et al. | July 28, 2020 |
Air purifier
Claims
CLAIM The ornamental design for an air purifier, as shown and described.
| Inventors: | Li; Man (Shanghai, CN), Liu; Liliang (Shanghai, CN), Sun; Xuefeng (Shanghai, CN), Siu; Kin Hang (Shanghai, CN) | ||||||||||
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| Applicant: |
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| Assignee: | 3M Innovative Properties
Company (St. Paul, MN) |
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| Appl. No.: | D/687,337 | ||||||||||
| Filed: | April 12, 2019 |
| Current U.S. Class: | D23/364 |
| Current International Class: | 2304 |
| Field of Search: | ;D23/355-366,352,369,332,333,335,336,342,351 ;422/120,122 ;55/356,473,504 ;96/97 ;261/DIG.17,DIG.65,DIG.88,DIG.31 |
References Cited [Referenced By]
U.S. Patent Documents
| D534639 | January 2007 | Zhang |
| D535371 | January 2007 | Bushee |
| D668749 | October 2012 | Thomas |
| D780900 | March 2017 | Dichraff |
| D799015 | October 2017 | Tang |
| D810906 | February 2018 | Yoon |
| D829875 | October 2018 | Stanhope |
| D835248 | December 2018 | Echeverri |
| D840012 | February 2019 | Zhou |
| D844766 | April 2019 | Miao |
| D853544 | July 2019 | Vu |
| D861145 | September 2019 | Fang |
| D876599 | February 2020 | He |
| 304987503 | Jan 2019 | CN | |||
Attorney, Agent or Firm: Weber; Kevin
Description
FIG. 1 is a perspective view showing the new design for an air purifier;
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.
The portions of the air purifier in FIGS. 1-7 shown in broken lines are included to show features that form no part of the claimed design.
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