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Class Information
Number: 256/14
Name: Fences > Track guard
Description: Device for use upon railroads designed to prevent animals from passing along the tracks and incapable of use as a gate to permit the passage of the animal.

Sub-classes under this class:

Class Number Class Name Patents
256/17 Bar 16
256/15 Rocking 0
256/16 Rotary 10

Patents under this class:

Patent Number Title Of Patent Date Issued
5906359 Cattle gate and fence systems May. 25, 1999
5595370 Texas gate Jan. 21, 1997
5419537 Pop-up stock guard May. 30, 1995
5203544 Cattle guard Apr. 20, 1993
5179801 Portable cattle gate Jan. 19, 1993
5160120 Self retracting portable cattle guard Nov. 3, 1992
5131631 Portable pitless livestock gate Jul. 21, 1992
5099610 Livestock barrier Mar. 31, 1992
5072915 Electric livestock guard Dec. 17, 1991
4921220 Metal grid perimeter obstacle trap May. 1, 1990
4844423 Pop-up stock guard Jul. 4, 1989
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
4431166 Garbage can mat Feb. 14, 1984
3971546 Animal crossing guard Jul. 27, 1976

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