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Class Information
Number: 256/12
Name: Fences > Top guarded > Unstable
Description: Fences wherein the top guard has an unstable or movable portion.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7419140 |
Security fence module |
Sep. 2, 2008 |
| 7325787 |
Barrier |
Feb. 5, 2008 |
| 7032889 |
Anti-scaling device |
Apr. 25, 2006 |
| 6880811 |
Pond protection system |
Apr. 19, 2005 |
| 6585233 |
Animal-repelling apparatus |
Jul. 1, 2003 |
| 6418674 |
Bird repellant method and system |
Jul. 16, 2002 |
| 6415553 |
Privacy screen for workstations |
Jul. 9, 2002 |
| 6206347 |
Juvenile security fence |
Mar. 27, 2001 |
| 6125197 |
Method and apparatus for the processing of stereoscopic electronic images into three-dimensional computer models of real-life objects |
Sep. 26, 2000 |
| 6102375 |
Crowd control barrier |
Aug. 15, 2000 |
| 5461364 |
Intrusion detection device |
Oct. 24, 1995 |
| 5310163 |
Barriers |
May. 10, 1994 |
| 5267724 |
Fencing apparatus for containing cats |
Dec. 7, 1993 |
| 5143354 |
Animal retentive fence attachment |
Sep. 1, 1992 |
| 5102103 |
Child safety fence |
Apr. 7, 1992 |
| 5040772 |
Rider protection system |
Aug. 20, 1991 |
| 4962619 |
Apparatus for deterring birds |
Oct. 16, 1990 |
| 4920331 |
Security barrier with intrusion sesning and delaying means |
Apr. 24, 1990 |
| 4916433 |
Protection of property |
Apr. 10, 1990 |
| 4739970 |
Rotary anti-scaling device |
Apr. 26, 1988 |
| 4676485 |
Intrusion warning wire fence |
Jun. 30, 1987 |
| 4571578 |
Intrusion barrier and detection apparatus |
Feb. 18, 1986 |
| 4348012 |
Intruder barrier |
Sep. 7, 1982 |
| 4270736 |
Climb inhibiting rail |
Jun. 2, 1981 |
| 4262169 |
Aerial cable guard |
Apr. 14, 1981 |
| 4110943 |
Animal guard |
Sep. 5, 1978 |
| 4110944 |
Animal protective guard |
Sep. 5, 1978 |
| 4081177 |
Break-away outrigger |
Mar. 28, 1978 |
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