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Class Information
Number: 256/39
Name: Fences > Wire > Stretcher > Spring
Description: Devices that employ the power of a spring to accomplish the stretching.

Patents under this class:

Patent Number Title Of Patent Date Issued
7889075 Perimeter protection systems Feb. 15, 2011
7793921 Motion-restraint arrangement Sep. 14, 2010
7316388 Connector and webbing arrangement Jan. 8, 2008
6679480 Wire fastening device and wire extending structure using wire fastening devices Jan. 20, 2004
6241217 Wire-fence gap-closer-gate fastener Jun. 5, 2001
4695677 Wire tensioning system Sep. 22, 1987
4453293 Clamping arrangement for corona discharge wire Jun. 12, 1984
4433831 Fence tensioning device Feb. 28, 1984
3930638 Hand rail Jan. 6, 1976

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