Patent
   D928931
Priority
Mar 06 2020
Filed
Apr 29 2020
Issued
Aug 24 2021
Expiry
Aug 24 2036
Assg.orig
Entity
unknown
5
13
n/a
The ornamental design for a filtration and sterilization device for respiratory droplet, as shown and described.

FIG. 1 is a perspective view of a filtration and sterilization device for respiratory droplet showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines depict portions of the filtration and sterilization device for respiratory droplet in which the design is embodied that form no part of the claimed design.

Li, Zhijie, Xiang, Qing, Lyu, Bing, Zhou, Yuansheng, Huang, Xuehua

Patent Priority Assignee Title
D946735, Jun 12 2019 Ventilation case
D973191, Dec 02 2020 Air cleaning device
D979728, Feb 02 2021 ZHONGSHAN HAOQI ELECTRICAL APPLIANCE CO., LTD Humidifier
ER2722,
ER537,
Patent Priority Assignee Title
5154893, Dec 15 1989 Kogi Corporation Air circulator
5188644, Feb 06 1990 Filter, bag and method
5267371, Feb 19 1992 FANTOM TECHNOLOGIES INC Cyclonic back-pack vacuum cleaner
5281246, Dec 23 1992 Metal-Fab, Inc. Air cleaner assembly
6143048, Feb 06 1997 Northrop Grumman Systems Corporation Portable air pollution capture apparatus with painting tray
6663698, Nov 05 1999 OK INTERNATIONAL INC Fume extraction apparatus and assembly
8460417, Nov 11 2008 TWIN BROOK CAPITAL PARTNERS, LLC, AS AGENT Portable air filtration system
20110223071,
20180133084,
20210128769,
D771786, Apr 07 2015 PURITAN PARTNERS, LLC Mobile cooling device
D780898, Jul 20 2012 PURITAN PARTNERS, LLC Mobile cooling device
D918360, May 12 2020 Black & Decker Inc Heater
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Apr 29 2020GUANGZHOU AJAX MEDICAL EQUIPMENT CO., LTD.(assignment on the face of the patent)
Apr 29 2020LYU, BINGGUANGZHOU AJAX MEDICAL EQUIPMENT CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0525310423 pdf
Apr 29 2020ZHOU, YUANSHENGGUANGZHOU AJAX MEDICAL EQUIPMENT CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0525310423 pdf
Apr 29 2020HUANG, XUEHUAGUANGZHOU AJAX MEDICAL EQUIPMENT CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0525310423 pdf
Apr 29 2020XIANG, QINGGUANGZHOU AJAX MEDICAL EQUIPMENT CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0525310423 pdf
Apr 29 2020LI, ZHIJIEGUANGZHOU AJAX MEDICAL EQUIPMENT CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0525310423 pdf
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