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Class Information
Number: 29/7.1
Name: Metal working > Fence barb making
Description: Process or apparatus for making pointed elements for subsequent attachment to fence wire, or for striking up pointed projections from fence stock material itself.










Sub-classes under this class:

Class Number Class Name Patents
29/7.2 By use of reciprocating cutter or die 3
29/7.3 By use of rotary cutter or die 2


Patents under this class:

Patent Number Title Of Patent Date Issued
8615856 Apparatus and method for forming self-retaining sutures Dec. 31, 2013
8402621 System and method for forming barbs on a suture Mar. 26, 2013
8032996 Apparatus for forming barbs on a suture Oct. 11, 2011
8028387 System for supporting and cutting suture thread to create tissue retainers thereon Oct. 4, 2011
8028388 System for cutting a suture to create tissue retainers of a desired shape and size Oct. 4, 2011
8020263 Automated system for cutting tissue retainers on a suture Sep. 20, 2011
8015678 Method for cutting a suture to create tissue retainers of a desired shape and size Sep. 13, 2011
8011072 Method for variable-angle cutting of a suture to create tissue retainers of a desired shape and size Sep. 6, 2011
7996967 System for variable-angle cutting of a suture to create tissue retainers of a desired shape and size Aug. 16, 2011
7996968 Automated method for cutting tissue retainers on a suture Aug. 16, 2011
7913365 Method of forming barbs on a suture and apparatus for performing same Mar. 29, 2011
7765657 System for forming barbed tape product Aug. 3, 2010
7624487 Apparatus and method for forming barbs on a suture Dec. 1, 2009
7549203 System for forming barbed tape product Jun. 23, 2009
7353576 Methods for forming barbed tape product Apr. 8, 2008
7346968 Method and apparatus for connecting loops of barbed tape to each other Mar. 25, 2008
7225512 Method of forming barbs on a suture and apparatus for performing same Jun. 5, 2007
6848152 Method of forming barbs on a suture and apparatus for performing same Feb. 1, 2005
5310163 Barriers May. 10, 1994
5109583 Method of manufacturing barbed tape May. 5, 1992
4955118 Method of manufacturing a roll of coiled, clamped barbed wire Sep. 11, 1990
4920775 Apparatus for making barbed tape May. 1, 1990
4903384 Apparatus for the manufacture of a roll of coiled, clamped barbed wire Feb. 27, 1990
4818972 Reinforced barbed tape including electrical sensor Apr. 4, 1989
4784373 Barbed tape Nov. 15, 1988
4718641 Barbed tape with reinforced barbs Jan. 12, 1988
4328955 Defensive personnel barrier May. 11, 1982
3990485 Barbed wire construction Nov. 9, 1976
3941164 Process for making barbed material Mar. 2, 1976











 
 
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