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Class Information
Number: 238/265
Name: Railways: surface track > Rail seats > With anchor in concrete
Description: Rail-seats with base-anchors adapted to be embedded in concrete.


Patents under this class:

Patent Number Title Of Patent Date Issued
7156319 Concrete railroad tie with guide plates for the rail base Jan. 2, 2007
6651896 Rail mounting system Nov. 25, 2003
5738278 Anchor sleeve for composite anchors and method of preparing corrosion-resistant anchorages Apr. 14, 1998
5538182 Railroad crossing system Jul. 23, 1996
5494212 Rail-tie fastening method for concrete tie Feb. 27, 1996
5485955 Rail-tie fastening assembly for concrete tie Jan. 23, 1996
5203501 Device for fixing a rail onto a slab of concrete Apr. 20, 1993
5083706 Concrete sleeper with east-in insert cooperating with a fastener assembly Jan. 28, 1992
4946099 Sleeper construction Aug. 7, 1990
4925094 Concrete railroad ties May. 15, 1990
4923118 Anti-vibration support system for railroads May. 8, 1990
4773591 Elastic rail pad Sep. 27, 1988
4757945 Electrically insulating device for use on a railway track under and beside the foot of a rail Jul. 19, 1988
4754921 Cushioned railroad truck roadway crossing module Jul. 5, 1988
4632307 Arrangement for fastening rails to sleepers Dec. 30, 1986
4632308 Adjustable rail fastener assembly Dec. 30, 1986
4566629 Structure for fixing a rail to a tie Jan. 28, 1986
4494695 Device for affixing a rail to a concrete support Jan. 22, 1985
4381076 Dropped railroad tie for railway without ballast Apr. 26, 1983
4349150 Concrete sleeper with the fastening housing Sep. 14, 1982
4267970 Holder for a guiding structure May. 19, 1981
4143818 Rail fastening apparatus Mar. 13, 1979
4141499 Concrete railroad bed Feb. 27, 1979
4106694 Prefabricated rail base unit consisting of a plurality of projections and a single continuous slab Aug. 15, 1978
3957201 Concrete railroad tie anchor structure May. 18, 1976



 
 
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