TW563707U - An improved structure of a manhole cover - Google Patents

An improved structure of a manhole cover

Info

Publication number
TW563707U
TW563707U TW91217808U TW91217808U TW563707U TW 563707 U TW563707 U TW 563707U TW 91217808 U TW91217808 U TW 91217808U TW 91217808 U TW91217808 U TW 91217808U TW 563707 U TW563707 U TW 563707U
Authority
TW
Taiwan
Prior art keywords
manhole cover
improved structure
manhole
improved
cover
Prior art date
Application number
TW91217808U
Other languages
Chinese (zh)
Inventor
Hsiu-O Cheng
Original Assignee
Hsiu-O Cheng
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 Hsiu-O Cheng filed Critical Hsiu-O Cheng
Priority to TW91217808U priority Critical patent/TW563707U/en
Publication of TW563707U publication Critical patent/TW563707U/en

Links

TW91217808U 2002-11-06 2002-11-06 An improved structure of a manhole cover TW563707U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW91217808U TW563707U (en) 2002-11-06 2002-11-06 An improved structure of a manhole cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW91217808U TW563707U (en) 2002-11-06 2002-11-06 An improved structure of a manhole cover

Publications (1)

Publication Number Publication Date
TW563707U true TW563707U (en) 2003-11-21

Family

ID=32503546

Family Applications (1)

Application Number Title Priority Date Filing Date
TW91217808U TW563707U (en) 2002-11-06 2002-11-06 An improved structure of a manhole cover

Country Status (1)

Country Link
TW (1) TW563707U (en)

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Legal Events

Date Code Title Description
GD4K Issue of patent certificate for granted utility model filed before june 30, 2004
MM4K Annulment or lapse of a utility model due to non-payment of fees