CN301100365S - Dust mask (1) - Google Patents
Dust mask (1)Info
- Publication number
- CN301100365S CN301100365S CN200830275713.4F CN200830275713F CN301100365S CN 301100365 S CN301100365 S CN 301100365S CN 200830275713 F CN200830275713 F CN 200830275713F CN 301100365 S CN301100365 S CN 301100365S
- Authority
- CN
- China
- Prior art keywords
- dust mask
- mask
- dust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN301100365S true CN301100365S (en) | 2009-12-30 |
Family
ID=
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10639506B2 (en) | 2013-08-20 | 2020-05-05 | 3M Innovative Properties Company | Personal respiratory protection device |
| US11154735B2 (en) | 2013-08-20 | 2021-10-26 | 3M Innovative Properties Company | Personal respiratory protection device |
| US11241595B2 (en) | 2013-08-20 | 2022-02-08 | 3M Innovative Properties Company | Personal respiratory protection device |
| US11247079B2 (en) | 2013-08-20 | 2022-02-15 | 3M Innovative Properties Company | Personal respiratory protection device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10639506B2 (en) | 2013-08-20 | 2020-05-05 | 3M Innovative Properties Company | Personal respiratory protection device |
| US11154735B2 (en) | 2013-08-20 | 2021-10-26 | 3M Innovative Properties Company | Personal respiratory protection device |
| US11241595B2 (en) | 2013-08-20 | 2022-02-08 | 3M Innovative Properties Company | Personal respiratory protection device |
| US11247079B2 (en) | 2013-08-20 | 2022-02-15 | 3M Innovative Properties Company | Personal respiratory protection device |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140912 Main classification number: 29-02 Address after: Tangxia Town, Guangdong city in Dongguan Province, the 523721 Foling Guangyuan Industrial Zone 168 Street No. 12 Patentee after: DONGGUAN ZHIXING INDUSTRIAL CO., LTD. Address before: 201112 Shanghai City three road No. 85 Building No. 1 3F Patentee before: Makrite Shanghai House Ware Co., Ltd. |
|
| DD01 | Delivery of document by public notice |
Addressee: Teng Xue Document name: Notification of Passing Examination on Formalities Main classification number: 29-02 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091230 Main classification number: 29-02 Termination date: 20141226 |