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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:
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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