Hirsh Company

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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Expired/Abandoned/Withdrawn Patents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
5064156 Adjustable height work supportExpiredApr 12, 90Nov 12, 91[F16M]
4820235 Threaded fastenerExpiredJul 28, 87Apr 11, 89[F16B]
4768660 Adjustable hook and mounting rail assemblyExpiredJun 11, 87Sep 06, 88[A47F]
4711183 Shelving assembly with drop-in shelfExpiredAug 01, 86Dec 08, 87[A47B]
4682698 Tool holderExpiredMar 04, 86Jul 28, 87[A47F]
4597122 Free-standing drawerExpiredJun 10, 85Jul 01, 86[A47B, A47C]
4574530 Drill powered wet or dry abrasive apparatusExpiredMar 09, 84Mar 11, 86[B24B]
4484608 Router tableExpiredOct 21, 82Nov 27, 84[B27C]
4466675 Knock-down drawer assemblyExpiredOct 19, 82Aug 21, 84[A47B]
4463644 Straight edge guideExpiredJun 02, 83Aug 07, 84[B27B]
4459920 Dual purpose bracketExpiredAug 03, 81Jul 17, 84[A47B, B60B]
D273195 Power tool tableExpiredAug 14, 81Mar 27, 84[]
D271843 KnobExpiredAug 19, 81Dec 20, 83[D080]
4413374 Three piece knob assembly including a capExpiredJun 12, 81Nov 08, 83[A47G]
D269409 KnobExpiredAug 19, 81Jun 21, 83[D080]
D266901 Portable circular power saw supportExpiredApr 29, 80Nov 16, 82[D080]
D266128 Foldable table for power toolsExpiredSep 24, 80Sep 14, 82[D060]
D263532 Foldaway work centerExpiredFeb 08, 80Mar 30, 82[D060]
D263533 Foldaway workshopExpiredFeb 08, 80Mar 30, 82[D060]
D261712 Table or similar articleExpiredJan 29, 79Nov 10, 81[D060]

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