P.J. Zweegers en Zonen Landbouwmachinefabriek B.V.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5367863 Mowing machineExpiredJun 26, 92Nov 29, 94[A01D]
5079906 Mowing machineExpiredJun 05, 90Jan 14, 92[A01D]
5031391 Mowing machineExpiredMay 18, 90Jul 16, 91[A01D]
4788900 Adjustable blade support for round bale press stripperExpiredMar 26, 87Dec 06, 88[A01F, B30B]
4727711 Mowing deviceExpiredSep 24, 86Mar 01, 88[A01D]
4727712 Mowing deviceExpiredJun 05, 86Mar 01, 88[A01D]
4718612 Maize chopperExpiredJan 14, 86Jan 12, 88[B02C]
4709540 Mowing deviceExpiredOct 17, 85Dec 01, 87[A01D]
4688377 Apparatus for farming vegetation lying on the groundExpiredJun 10, 85Aug 25, 87[A01D, A01B]
4566258 Device for working crop lying on the groundExpiredJun 20, 83Jan 28, 86[A01D]

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