IPC 2013 : E05B 37/18 : in padlocks.

IPC2013 > E > E05 > E05B > E05B 37/00 > E05B 37/18[2] > in padlocks.
Notes[t] E01 - E06: BUILDING
E SECTION E — FIXED CONSTRUCTIONS.
E05 LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES.
E05B LOCKS; ACCESSORIES THEREFOR; HANDCUFFS.
E05B 37/00 Permutation locks (electric permutation locks E05B 49/00; for bicycles E05B 71/02 ); Puzzle locks.
E05B 37/18 · · in padlocks.