| | CLASS NOTES |
| 1 | DF | ROUNDABOUT {12} |
| 48 | DF | WALKWAY HAVING MOVABLE FLOOR OR STAIR STEP |
| 49 | DF | PARACHUTE-DROP SIMULATOR |
| 50 | DF | HAVING TRIP-RELEASE SUPPORTING PERSON AGAINST GRAVITY |
| 51 | DF | FOR PERPETRATING PRACTICAL JOKE OR INITIATION CEREMONY {3} |
| 57 | DF | ILLUSION OR STAGE DEVICE {17} |
| 85 | DF | RACETRACK {1} |
| 88 | DF | SURFACE FOR WHEELED OR GLIDING VEHICLE {2} |
| 92 | DF | SURFACE OR ENCLOSURE FOR ATHLETIC OR EXHIBITION EVENT (E.G., ARENA, TRACK, COURT, PLAYING FIELD, ETC.) {2} |
| 95 | DF | ROCKABLE ANIMAL SIMULATION HAVING RIDER SEAT MEANS (E.G., ROCKING HORSE, ETC.) {7} |
| 106 | DF | SEESAW {9} |
| 116 | DF | BODY SLIDE {1} |
| 118 | DF | SWING {5} |
| 126 | DF | SANDBOX TYPE |
| 127 | DF | BODY-SUPPORTING SIMULATED LOG-ROLLING DEVICE (I.E., BIRLING DEVICE) |
| 128 | DF | AQUATIC {1} |
| 130 | DF | SIMULATES AIRCRAFT OR SPACE VEHICLE OR SIMULATES THE MOVEMENT THEREOF |
| 131 | DF | OCCUPANT SUPPORT TRANSLATABLE ALONG VERTICAL PATH |
| 132 | DF | OPERATED BY OR USING LIVE ANIMAL |
| 133 | DF | BODY ATTACHED, WORN, OR CARRIED |
| 134 | DF | INFLATABLE OR PNEUMATIC |
| 135 | DF | OCCUPANT OPERATED ROCKING, OSCILLATING, OR BOUNCING DEVICE |
| 136 | DF | BUILDING OR PART THEREOF |
| 137 | DF | MISCELLANEOUS |
