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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0270622 (1988-11-14) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 32 인용 특허 : 0 |
A cover for the access opening of utility poles is provided which has a shell dimensioned to overlie the opening. The shell has a flanged perimeter which conforms to the outside diameter of the pole. The shell is held in place by a bolt which extends through the shell and into the interior of the po
In combination with a utility pole having an access opening with a raised perimeter, an access opening cover comprising: (a) a shell overlying said raised perimeter of said access opening, said shell having a perimeter surrounding said raised perimeter of said access opening, said perimeter of said
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