| 70 / | HD | LOCKS |
| 266 | DF | OPERATING MECHANISM {6} |
| 275 | DF | .~ Using a powered device (e.g., motor) {2} |
| 277 | DF | .~.~ Electrical type (e.g., solenoid) {8} |
| 278.1 | ![]() | .~.~.~ Actuated after correct combination recognized (e.g., numerical, alphabetical, or magnet(s) pattern) {2} |
| 278.2 | DF | .~.~.~.~> Including use of a key {1} |
| 278.4 | DF | .~.~.~.~> Using a dial having indicia or pointer and indicia {2} |