CN202767332U - 密实薄壁空心砌块 - Google Patents
密实薄壁空心砌块 Download PDFInfo
- Publication number
- CN202767332U CN202767332U CN 201220378478 CN201220378478U CN202767332U CN 202767332 U CN202767332 U CN 202767332U CN 201220378478 CN201220378478 CN 201220378478 CN 201220378478 U CN201220378478 U CN 201220378478U CN 202767332 U CN202767332 U CN 202767332U
- Authority
- CN
- China
- Prior art keywords
- wall
- side wall
- slot
- building block
- utility
- 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.)
- Ceased
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- Joining Of Building Structures In Genera (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220378478 CN202767332U (zh) | 2012-07-31 | 2012-07-31 | 密实薄壁空心砌块 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220378478 CN202767332U (zh) | 2012-07-31 | 2012-07-31 | 密实薄壁空心砌块 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202767332U true CN202767332U (zh) | 2013-03-06 |
Family
ID=47773915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201220378478 Ceased CN202767332U (zh) | 2012-07-31 | 2012-07-31 | 密实薄壁空心砌块 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202767332U (zh) |
-
2012
- 2012-07-31 CN CN 201220378478 patent/CN202767332U/zh not_active Ceased
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Li Weizhong Assignor: Beijing Ju'an Ruifeng Building Materials Co., Ltd. Contract record no.: 2014990000432 Denomination of utility model: Close-grained thin-wall hollow block Granted publication date: 20130306 License type: Common License Record date: 20140620 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Cheng Yunlong|Fu Guodong Assignor: Beijing Ju'an Ruifeng Building Materials Co., Ltd. Contract record no.: 2014990000503 Denomination of utility model: Close-grained thin-wall hollow block Granted publication date: 20130306 License type: Common License Record date: 20140709 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Li Weizhong Assignor: Beijing Ju'an Ruifeng Building Materials Co., Ltd. Contract record no.: 2014990000432 Date of cancellation: 20150415 |
|
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Li Weizhong Assignor: Beijing Ju'an Ruifeng Building Materials Co., Ltd. Contract record no.: 2015990000202 Denomination of utility model: Close-grained thin-wall hollow block Granted publication date: 20130306 License type: Common License Record date: 20150417 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20210601 Decision number of declaring invalidation: 49900 Granted publication date: 20130306 |
|
IW01 | Full invalidation of patent right |