SKF Industries, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4557613 Spherical roller bearing having reciprocal crowning for skew controlExpiredMar 09, 83Dec 10, 85[F16C]
4534871 Lubricant insert for rolling bearingsExpiredApr 21, 82Aug 13, 85[C10M]
4492415 Unitary full complement bearing components containing rolling elements in a self-supporting lubricating matrixExpiredMar 03, 82Jan 08, 85[C10M, F16C]
4408809 Seal, especially for wheel bearing arrangements for vehiclesExpiredMar 27, 81Oct 11, 83[F16C]
4402558 Rolling bearingExpiredDec 17, 81Sep 06, 83[F16C]
4396236 Bearing unitExpiredSep 18, 81Aug 02, 83[F16C]
4379599 Bearing inner ringExpiredDec 29, 80Apr 12, 83[F16C]
4291927 Integral foamed plastic sliding bearingsExpiredMar 02, 79Sep 29, 81[F16C]
4280743 Double-row spherical roller bearingExpiredJan 30, 79Jul 28, 81[F16C]
4240681 Two row rolling bearing assembly having single piece inner ring and two piece outer ringExpiredNov 20, 78Dec 23, 80[F16C]
4239632 Lubricant compositionExpiredMar 14, 79Dec 16, 80[C10M]
4235487 Rolling bearing cageExpiredOct 10, 78Nov 25, 80[F16C]
4235489 External device for selectively converting a pillow block between free and held positionsExpiredAug 15, 78Nov 25, 80[F16C]
4227754 Rolling bearingExpiredMar 26, 79Oct 14, 80[F16C]
4222620 Cage for a rolling bearing made of synthetic materialExpiredJan 30, 79Sep 16, 80[F16C]
4209208 Rolling bearing for conveyor rollsExpiredOct 10, 78Jun 24, 80[F16C]

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