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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:
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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