Knijpstra Konstruktie B.V.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6022276 CarouselExpiredSep 24, 98Feb 08, 00[A63G]
5558581 Fairground deviceExpiredJan 25, 95Sep 24, 96[A63G]
5395290 Fairground deviceExpiredAug 23, 93Mar 07, 95[A63G]
4988089 Fairground attractionExpiredOct 17, 89Jan 29, 91[A65G]
4807869 Amusement device having a rotatable, swivelling and tiltable rigid gondolaExpiredJan 27, 87Feb 28, 89[A63G]
4735545 Boat cradleExpiredAug 04, 86Apr 05, 88[B60P, B63C]

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