operable by a plurality of keys

Introduced: September 1968

Full Title

Locks for use with special keys or a plurality of keys > operable by a plurality of keys

Of 4 combined children, 2 exist in both systems.

2 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Navigate with arrow keys, Enter to open

E05B 35/083 CPC only CPC only
E05B 35/086 CPC only CPC only
E05B 35/10 with master and pass keys +1 CPC IPC+CPC Available in IPC and CPC
E05B 35/12 requiring the use of two keys, e.g. safe-deposit locks (locks with key-operated keyhole cover E05B17/142) +1 CPC IPC+CPC Available in IPC and CPC