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Class Information
Number: 256/11
Name: Fences > Top guarded
Description: Fences having special provision to prevent or hinder creatures from traveling or remaining upon the top of the fence.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7331568 |
Apparatus for use with coiled barrier material |
Feb. 19, 2008 |
| 7325787 |
Barrier |
Feb. 5, 2008 |
| 7243465 |
Branched spike bird deterrent |
Jul. 17, 2007 |
| 7032889 |
Anti-scaling device |
Apr. 25, 2006 |
| 6918214 |
Antiperch device for birds |
Jul. 19, 2005 |
| 6880811 |
Pond protection system |
Apr. 19, 2005 |
| 6782624 |
Modular barrier system for satisfying needs unique to a specific user |
Aug. 31, 2004 |
| 6698725 |
Slotted fence post cap |
Mar. 2, 2004 |
| 6546676 |
Deflection device for birds, and for pigeons in particular |
Apr. 15, 2003 |
| 6481696 |
Fence post top cap for trellis |
Nov. 19, 2002 |
| 6418674 |
Bird repellant method and system |
Jul. 16, 2002 |
| 6382596 |
Security fence |
May. 7, 2002 |
| 6206347 |
Juvenile security fence |
Mar. 27, 2001 |
| 6199831 |
Non-electric perimeter fence |
Mar. 13, 2001 |
| 6044595 |
Billboard netting system providing protection from birds |
Apr. 4, 2000 |
| 5974998 |
Apparatus for foiling bird landings |
Nov. 2, 1999 |
| 5713160 |
Retractable bird deterring device |
Feb. 3, 1998 |
| 5662313 |
Barb arm extension |
Sep. 2, 1997 |
| 5606830 |
Collapsible anti-bird perching device |
Mar. 4, 1997 |
| 5577710 |
Fence extension assembly |
Nov. 26, 1996 |
| 5461364 |
Intrusion detection device |
Oct. 24, 1995 |
| 5433029 |
Bird repellent apparatus for wires and the like |
Jul. 18, 1995 |
| D357771 |
Anti-bird perching structure |
Apr. 25, 1995 |
| 5310163 |
Barriers |
May. 10, 1994 |
| 5267724 |
Fencing apparatus for containing cats |
Dec. 7, 1993 |
| 5143354 |
Animal retentive fence attachment |
Sep. 1, 1992 |
| 5139256 |
Ball game and net therefor |
Aug. 18, 1992 |
| 5062612 |
Security rail |
Nov. 5, 1991 |
| 4937988 |
Pigeon barrier |
Jul. 3, 1990 |
| 4832316 |
Wall security fixtures |
May. 23, 1989 |
| 4673166 |
Security fence |
Jun. 16, 1987 |
| 4603840 |
Fence support member |
Aug. 5, 1986 |
| 4602764 |
Barrier apparatus |
Jul. 29, 1986 |
| 4598906 |
Device for adjustably positioning a cross bar |
Jul. 8, 1986 |
| 4408748 |
Integral fence post and cap |
Oct. 11, 1983 |
| 4193583 |
Chain link fence extension |
Mar. 18, 1980 |
| 4159820 |
Fence post cap and barbed wire arm |
Jul. 3, 1979 |
| 4143857 |
Safety/privacy fence |
Mar. 13, 1979 |
| 4065103 |
Fence attachment |
Dec. 27, 1977 |
| 3972510 |
Multi-bladed upright for a fence |
Aug. 3, 1976 |
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