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Class Information
Number: 238/109
Name: Railways: surface track > Pedestals
Description: Individual supporting-blocks or pot-sleepers adapted to be embedded in the road-bed or ballast and support the rails. Two of these blocks or pot-sleepers act as a substitute for a tie; but they are not designed to have a cross-beam action, like a tie.










Sub-classes under this class:

Class Number Class Name Patents
238/115 Concrete block 14
238/119 Pier 1
238/110 Pot 4
238/120 Screw 0
238/114 Tube or box 2
238/118 Wood block 0
238/112 Wrought plate 0


Patents under this class:

Patent Number Title Of Patent Date Issued
6649237 Mat consisting of tubes Nov. 18, 2003
6364214 Block boot for railway track systems Apr. 2, 2002
6283383 Rail system Sep. 4, 2001
5725149 Support device for railway rails Mar. 10, 1998
5605282 Tire railroad ties Feb. 25, 1997
5551631 Rail support device for unballasted railway track Sep. 3, 1996
4381076 Dropped railroad tie for railway without ballast Apr. 26, 1983
4266719 Track mounting assembly and sound-damping system therefore May. 12, 1981
4121766 Railway tie collar Oct. 24, 1978











 
 
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