LUTZ, FRANZ

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6364142 Hydraulic oil feed plunger cylinderExpiredJun 23, 00Apr 02, 02[B66C]
6341705 Crane vehicleExpiredDec 03, 99Jan 29, 02[B66C]
5865328 Telescopic boomExpiredSep 19, 97Feb 02, 99[B66C]
5848664 Method and apparatus for hydrostatically driving a vehicle with each drivable wheel driven by at least one hydraulic motor connected to at least one hydraulic sourceExpiredJul 24, 96Dec 15, 98[B60K]
5813552 Telescopic boom with multistage hydraulic cylinderExpiredSep 26, 96Sep 29, 98[B66C]
5584645 Telescopic boom with a multistage, lockable hydraulic cylinder protected against bucklingExpiredAug 08, 94Dec 17, 96[B66C]
5542492 Device for driving, guiding and steering a vehicle wheelExpiredApr 12, 94Aug 06, 96[B60K, B60G]
5462083 Rotary passageExpiredDec 16, 94Oct 31, 95[F16L]
5405028 Crane vehicleExpiredFeb 10, 94Apr 11, 95[B60K]

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