What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.
Enter a class/subclass code here to get a list of patent titles. Use
any of the following forms:
363-131 121-55A 14-.5
that is, no embedded spaces, class and subclass seperated by a dash, and any subclass letters capitalized. Currently Design Patent titles (those in the classes of the form Dxx.yy) are not retreivable.
Class Number: 289 Class Title: KNOTS AND KNOT TYING Subclass Subclass Number Title 1.2 KNOTS 1.5 METHODS 2 KNOTTERS 3 .Weaver's knot 4 .Square knot 5 .Rotary lateral bill 6 ..Swinging knotter frame 7 ..Sliding jaw 8 ..Pivoted inner jaw 9 ...Angular drive 10 ....Notched-disk cord holder 11 ..Bills 12 .Sleeve and spindle 13 .Cord holders 14 ..Notched disk 15 .Cord guides 16 .Needles 16.5 MACRAME 17 HAND IMPLEMENTS 18.1 MISCELLANEOUS