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Class Information
Number: 256/17
Name: Fences > Track guard > Bar
Description: Track guards embodying a series of bars spaced apart to form a grating.










Sub-classes under this class:

Class Number Class Name Patents
256/18 Pronged 1


Patents under this class:

Patent Number Title Of Patent Date Issued
7111827 Energy-absorption system Sep. 26, 2006
6827042 Elephant incursion prevention apparatus Dec. 7, 2004
6505820 Guardrail terminal Jan. 14, 2003
6022003 Guardrail cutting terminal Feb. 8, 2000
5595370 Texas gate Jan. 21, 1997
5419537 Pop-up stock guard May. 30, 1995
5203544 Cattle guard Apr. 20, 1993
5160120 Self retracting portable cattle guard Nov. 3, 1992
5131631 Portable pitless livestock gate Jul. 21, 1992
4789137 Knock-down cattle guard Dec. 6, 1988
4655435 Cattle guard Apr. 7, 1987
4609184 Pivoted gravity return fence extension for cattle guard Sep. 2, 1986
4434975 Armored cattle guard Mar. 6, 1984
4428562 Stock grid Jan. 31, 1984
4387882 Cattle guard construction and method Jun. 14, 1983
4163545 Cattle guard Aug. 7, 1979











 
 
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