Sliding panel for an end door of a rail car
Patent 4077330 Issued on March 7, 1978. Estimated Expiration Date: 
March 7, 1995. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 7, 1995. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1549714 2739645 3191547 3712363 3827182 End door for rail cars Patent #: 3995563 InventorsAssigneeApplicationNo. 05/717176 filed on 08/24/1976US Classes:105/410, Ends105/331, Combined open and closed105/378, Movable side sections296/55, Pivotally connected sections410/26, Multilevel deck; i.e., four-wheel support49/41ARCUATE CLOSURE ROTATES ACROSS ARCUATE OPENINGExaminersPrimary: Cherry, Johnny D.Assistant: Rowold, Carl Attorney, Agent or FirmInternational ClassB61D 19/00 (20060101)AbstractAn end closure for a rail car which comprises a pair of sliding doors mounted for movement between open and closed positions. One of the doors has a recess to clear a brake lever when the door is open. A panel is provided to close the recess when the door is closed. The panel is automatically moved to a position opening the recess when the door is opened and automatically moved to a position closing the recess when the door is closed. | |
