| | CLASS NOTES |
| 1 | DF | HAVING SPECIFIC ELECTRICAL FEATURE {4} |
| 10 | DF | FOR HEAD OR NECK {1} |
| 12 | DF | FOR THRUSTING A POINTED WEAPON (E.G., A FENCING FOIL, ETC.) OR SIMULATION THEREOF |
| 13 | DF | FOR IMPROVING RESPIRATORY FUNCTION |
| 14 | DF | FOR TRACK OR FIELD SPORT {3} |
| 23 | DF | GYMNASTIC {8} |
| 44 | DF | HAND, WRIST, OR FINGER {3} |
| 51 | DF | INVOLVING USER TRANSLATION OR PHYSICAL SIMULATION THEREOF {13} |
| 79 | DF | FOR FOOT OR ANKLE {1} |
| 81 | DF | SKIPPING {1} |
| 83 | DF | STRIKING {3} |
| 91 | DF | ISOMETRIC |
| 92 | DF | USER MANIPULATED FORCE RESISTING APPARATUS, COMPONENT THEREOF, OR ACCESSORY THEREFOR {8} |
| 140 | DF | SIT UP DEVICE |
| 141 | DF | PUSH UP DEVICE |
| 142 | DF | SUPPORT FOR ENTIRE BODY OF USER (E.G., BENCH, SLANT BOARD, ETC.) {3} |
| 148 | DF | MISCELLANEOUS |
| | ****************************** |
| | CROSS-REFERENCE ART COLLECTIONS |
| | ****************************** |
| 900 | DF | ERGOMETER WITH FEEDBACK TO LOAD OR WITH FEEDBACK COMPARISON |
| 901 | DF | HAVING COMPUTER CIRCUITRY {1} |
| 903 | DF | UTILIZING ELECTROMAGNETIC FORCE RESISTANCE |
| 904 | DF | REMOVABLY ATTACHED TO WHEELCHAIR, HOME FURNISHING, OR HOME STRUCTURE |
| 905 | DF | ARM WRESTLING |
| 906 | DF | UTILIZING OPPONENT SUPPLIED RESISTANCE |
| 907 | DF | STRETCHING |
| 908 | DF | ADJUSTABLE |
| 909 | DF | MECHANICAL INDICATOR |
| 910 | DF | PORTABLE EXERCISE DEVICE WITH CARRYING HANDLE, CASE, OR CABINET |
