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Tie suitable for use on a track
 
   
Document Number
US Patent 7204430
Issued Date
April 17, 2007
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Abstract
A railroad track tie comprises a body formed at least partially of polymeric material, and a reinforcement totally encapsulated within the body, wherein there is at least one opening through the reinforcement with polymeric material therein.
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Number of Claims:
22
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Owner
Published
April 17, 2007
Application Number
11/058,467
Filed
February 14, 2005
US Classification
238/29  
Int'l Classification
E01B   3/00   (20060101)  
Assistant Examiner
USPTO Field of Search
238/29   238/83   238/84   238/85   238/50   238/51   104/2  
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