Hardinge Brothers, Inc.

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Patent Activity in the Last 10 Years

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5186086 Finished parts catcher for an automatic machineExpiredMay 15, 91Feb 16, 93[B23B]
5087059 Tool for installing or removing a collet headExpiredJun 21, 90Feb 11, 92[B23B]
4981056 Apparatus and process for assembling a machine tool and machine tool formed therebyExpiredMar 12, 90Jan 01, 91[B23B]
4858938 Two piece collet with interlocking collet segmentsExpiredApr 08, 88Aug 22, 89[B23B]
4785513 Turret having rotating and non-rotating toolingExpiredDec 16, 86Nov 22, 88[B23B]
4478117 Slant bed for chucker machineExpiredMay 06, 82Oct 23, 84[B23B]
4423993 Retractable bar stock feederExpiredOct 22, 81Jan 03, 84[B23B]
D271977 Master collet for machine toolsExpiredSep 15, 81Dec 27, 83[D150]
4413939 Bar stock feederExpiredJul 28, 81Nov 08, 83[B65H]
4387905 Machine tool chuckExpiredNov 28, 80Jun 14, 83[B23B]
4329785 Presetter gaugeExpiredAug 05, 80May 18, 82[B27G]
4312105 Programmable turret-type machine toolExpiredApr 21, 80Jan 26, 82[B23Q]
4309041 Machine tool colletExpiredSep 12, 79Jan 05, 82[B23B]
4262563 Turret indexing assembly for machine toolsExpiredJun 05, 78Apr 21, 81[B23B]
4255056 Pre-setter for positioning tooling on turretsExpiredMar 30, 79Mar 10, 81[G01B, B27G]
4249748 One-piece collet and process for making sameExpiredSep 04, 79Feb 10, 81[B23B]
4245846 One-piece colletExpiredMay 02, 78Jan 20, 81[B23B]
4226322 Machine tool guard door assemblyExpiredJul 17, 78Oct 07, 80[F16P]
D255693 Font of charactersExpiredMay 18, 78Jul 01, 80[D180]
4210040 Apparatus for turning machines and the like for simultaneous axial and radial profiling of workExpiredDec 28, 78Jul 01, 80[B23B]

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