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Class Information
Number: 285/400
Name: Pipe joints or couplings > Socket > Detachable ring
Description: Devices in which at least one of the members carries a separable ring externally thereof, said ring coacting with means (e.g., bolts), for drawing the members together.

Patents under this class:

Patent Number	Title Of Patent	Date Issued
7552949	Joint restraint for pipe fittings	Jun. 30, 2009
7431344	Connection assembly and related method	Oct. 7, 2008
6125888	Quick acting closure	Oct. 3, 2000
6012745	Tube connection of two overlapping tubes and method of making same	Jan. 11, 2000
4647083	Separation preventive pipe joint	Mar. 3, 1987
4635970	Thrust rod anchor for pipe joint restraint systems	Jan. 13, 1987
4492391	Thrust rod anchor for pipe joint restraint systems	Jan. 8, 1985
3937500	Device for connecting telescoping pipes	Feb. 10, 1976