Ingersoll Equipment Co., Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4723933 PTO linear control latchExpiredFeb 02, 87Feb 09, 88[G05G]
4662646 Trailing mower and drawbar articulationExpiredFeb 13, 85May 05, 87[B62D]
D285080 Trailing lawn mowerExpiredOct 29, 84Aug 12, 86[]
4582504 Trailing mower, belt, clutch and brake assemblyExpiredFeb 13, 85Apr 15, 86[F16H]
4580669 Mower drive mechanismExpiredOct 11, 83Apr 08, 86[B60K, A01D, F16H]
4558881 Tractor-mounted implement hitch arrangementExpiredOct 11, 83Dec 17, 85[B60D]
4535647 Control handle arrangement for power takeoff valveExpiredApr 25, 83Aug 20, 85[G05G]
4523489 Ground drive controlExpiredJun 07, 82Jun 18, 85[G05G]
4502344 Self-energizing friction drive transmissionExpiredJun 07, 82Mar 05, 85[F16H]
4489539 Sweeper and turf thatcherExpiredJun 27, 83Dec 25, 84[A01D]
4474357 Valve control linkageExpiredJul 22, 82Oct 02, 84[F16K, G05G]
4470441 Hydraulic wood splitterExpiredAug 26, 83Sep 11, 84[B27L]
4458737 Wood splitter height adjusting mechanismExpiredMay 04, 83Jul 10, 84[B27L]
4446898 Self-elevating wood splitter and mounting arrangementExpiredApr 20, 83May 08, 84[B27L]
4437529 Detachable hinge assemblyExpiredMay 03, 82Mar 20, 84[B62D]
4432402 Self-elevating wood splitterExpiredApr 18, 83Feb 21, 84[B27L]
4421177 End drive rotary cultivatorExpiredOct 09, 81Dec 20, 83[A01B]
4418519 Endless chain type lawn mowerExpiredJul 29, 82Dec 06, 83[A01D]
4417765 Dump cartExpiredSep 24, 81Nov 29, 83[B60P]
4411298 Log splitter mounting arrangementExpiredOct 09, 81Oct 25, 83[B27L]

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