Manhole cover lift

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7544035
SERIAL NO

11199940

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The disclosure includes an apparatus for moving a manhole cover comprising a lever having an engaging end, a linkage connected to the engaging end of the lever, and at least one magnet connected to the linkage and engageable with the manhole cover, wherein the lever provides leverage for moving the manhole cover. The at least one magnet may be selectively engageable with the manhole cover and may further have an interface surface. The at least one magnet may have a handle moveable between an engaged position, wherein a magnetic flux is emitted through the interface surface of the at least one magnet, and a disengaged position, wherein substantially no magnetic flux is emitted through the interface surface of the at least one magnet.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
INDUSTRIAL MAGNETICS INC1385 M-75 SOUTH BOYNE CITY MI 49712

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Friedrich, Peter Boyne City, US 29 256

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