TWM401672U - Air intake and backflow prevention cover structure used in water drainage pipe - Google Patents

Air intake and backflow prevention cover structure used in water drainage pipe

Info

Publication number
TWM401672U
TWM401672U TW099221887U TW99221887U TWM401672U TW M401672 U TWM401672 U TW M401672U TW 099221887 U TW099221887 U TW 099221887U TW 99221887 U TW99221887 U TW 99221887U TW M401672 U TWM401672 U TW M401672U
Authority
TW
Taiwan
Prior art keywords
air intake
drainage pipe
water drainage
backflow prevention
structure used
Prior art date
Application number
TW099221887U
Other languages
Chinese (zh)
Inventor
rui-qi Tong
Feng-Yi Liao
Original Assignee
rui-qi Tong
Feng-Yi Liao
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by rui-qi Tong, Feng-Yi Liao filed Critical rui-qi Tong
Priority to TW099221887U priority Critical patent/TWM401672U/en
Publication of TWM401672U publication Critical patent/TWM401672U/en

Links

TW099221887U 2010-11-12 2010-11-12 Air intake and backflow prevention cover structure used in water drainage pipe TWM401672U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW099221887U TWM401672U (en) 2010-11-12 2010-11-12 Air intake and backflow prevention cover structure used in water drainage pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW099221887U TWM401672U (en) 2010-11-12 2010-11-12 Air intake and backflow prevention cover structure used in water drainage pipe

Publications (1)

Publication Number Publication Date
TWM401672U true TWM401672U (en) 2011-04-11

Family

ID=60592774

Family Applications (1)

Application Number Title Priority Date Filing Date
TW099221887U TWM401672U (en) 2010-11-12 2010-11-12 Air intake and backflow prevention cover structure used in water drainage pipe

Country Status (1)

Country Link
TW (1) TWM401672U (en)

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Legal Events

Date Code Title Description
MM4K Annulment or lapse of a utility model due to non-payment of fees