ORTNER FREIGHT CAR COMPANY
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Aug 19, 1986 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 88 Total Citation Count
- Oct 06, 1978 Earliest Filing
- 8 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
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Recent Publications
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Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4606277 Actuating and locking apparatus for longitudinal hopper doors of a railroad hopper carExpiredNov 30, 84Aug 19, 86[B61D]
4562633 Railway box car conversion to highway trailer-carrying flatcar and method of accomplishing itExpiredMar 01, 84Jan 07, 86[B23P, B61D]
4561361 Mounting for the top chords of the sides of a railroad hopper carExpiredMar 12, 84Dec 31, 85[B61D]
4366757 Actuating and locking means for the hopper doors of a railroad hopper carExpiredNov 20, 80Jan 04, 83[B61D]
4284011 Restraint assembly for the hopper door actuator of a rapid discharging railroad hopper carExpiredMar 10, 80Aug 18, 81[B61D]
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