| 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} |