Elbow > Patents - Class: 285/179, Page: 6

Resources

Home

Browse by:

Browse by Category: Main > Construction

Class Information
Number: 285/179
Name: Pipe joints or couplings > Elbow
Description: Subject matter comprising a fitting having only two openings with the axis of the openings intersecting at an angle.

Sub-classes under this class:

Class Number	Class Name	Patents
285/180	Cooperating saddle clamp	12
285/182	Nesting parts	4
285/181	Serially connected, adjustable	71
285/183	Sheet metal	27
285/179.1	With access opening	23

Patents under this class:

1 2 3 4 5 6

Patent Number	Title Of Patent	Date Issued
3999929	Apparatus for feeding core material	Dec. 28, 1976
3995888	Flexible pipe connector	Dec. 7, 1976
3980324	Swivelling coupling for fluid	Sep. 14, 1976
3979809	Pipe elbow and method of making same	Sep. 14, 1976
3977730	Junction elements for pneumatic conveyor pipes	Aug. 31, 1976
3977706	Pipe elbow	Aug. 31, 1976
3967324	Flexible trap for a waste line assembly	Jul. 6, 1976
3944260	Pipe repair fittings	Mar. 16, 1976
3930674	Couplings	Jan. 6, 1976