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Document Number
US Patent 4300467
Issued Date
November 17, 1981
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Inventors
van den Haak; Rob
(Krimpen and IJssel,NL)
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Abstract
An anchor adapted to develop high holding power in both hard and soft anchoring ground due to flaps which are retracted within the fluke area in hard ground and extended outside the fluke area in soft ground.
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anchor
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Description:
Amusing 0%
Clever 0%
Complex 0%
Efficient 0%
Historic 0%
Important 0%
Innovative 0%
Interesting 0%
Practical 0%
Simple 0%
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Number of Claims:
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Published
November 17, 1981
Application Number
06/021,081
Filed
March 16, 1979
US Classification
114/303
Int'l Classification
B63B 21/24 (20060101) B63B 21/44 (20060101)
Examiner
Reger; Duane A.
Attorney/Law Firm
Marn; Louis E.
Olstein; Elliot M.
USPTO Field of Search
114/303 114/305 114/301 114/304
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