Kugelfischer Georg Schafer & Co.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4333307 Friction rotorExpiredAug 17, 78Jun 08, 82[D02G]
4281548 Method of testing rotationally symmetrical bodies, especially balls, for defectsExpiredOct 15, 79Aug 04, 81[G01N]
4273229 Elastic mounting for high-speed rotorExpiredMay 17, 79Jun 16, 81[F16D]
4252386 Journal bearing with axially split bearing ringsExpiredOct 12, 79Feb 24, 81[F16C]
4226080 Loading device for false-twist apparatusExpiredMay 30, 79Oct 07, 80[D01H]
4194797 Bearing-race ring with lubricant and cooling channelsExpiredMay 24, 78Mar 25, 80[F16C]

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