| 411 / | HD | EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER |
| 15 | DF | HAVING SEPARATE EXPANDER MEANS {13} |
| 80.1 | DD | .~ Comprising a head and expandable portions spread by fastener (e.g., drywall anchor) {1} |
| 80.2 | | .~.~ Three or more expandable portions |