| | CLASS NOTES |
| 200 | DF | WITH MEANS RESPONSIVE TO MALFUNCTION {1} |
| 202 | DF | WITH ADDITIONAL, DISPARATE MEANS PREVENTING FRAUDULENT ACTUATION {2} |
| 205 | DF | CONTROL MECHANISM ACTUATED BY CHECK, OTHER THAN COIN (E.G., SLUG, TOKEN, CARD, ETC.), WHICH IS MUTILATED OR RETAINED {5} |
| 215 | DF | INCLUDING VALUE ACCUMULATOR FOR PLURAL CHECKS {4} |
| 229 | DF | CONTROL MECHANISM RESPONSIVE TO PLURALITY OF CHECKS {3} |
| 239 | DF | INCLUDING ELECTRIC CIRCUIT WITH SWITCH OPERATED BY CHECK {3} |
| 247 | DF | INCLUDING PART LOCKED BY DETENT AND RELEASED BY CHECK {3} |
| 290 | DF | CHECK PREVENTS LOCKING OF PART BY DETENT {1} |
| 293 | DF | INCLUDING NONCONTACTING, RELATIVELY MOVABLE PARTS CONNECTED BY CHECK {2} |
| 302 | DF | INCLUDING MEANS TO TEST VALIDITY OF CHECK {4} |
| 342 | DF | INCLUDING MEANS TO IMPART THRUST TO CHECK {1} |
| 344 | DF | INCLUDING SPECIFIC CHECK PASSAGEWAY (E.G., CHUTE DETAIL, ETC.) {3} |
| 350 | DF | WITH SPECIFIC CABINET STRUCTURE {2} |
| 214 | DF | CHECK, PER SE |
| 353 | DF | MISCELLANEOUS |
| | ****************************** |
| | CROSS-REFERENCE ART COLLECTIONS |
| | ****************************** |
| 900 | DF | PARKING METER WITH BARRIER |
| 901 | DF | CHECK-OPERATED TOLL BOOTH |
| 902 | DF | CHECK-OPERATED DEVICE FOR CONTROLLING PARKING LOT |
| 903 | DF | CHECK-CONTROLLED TURNSTILE |
| 904 | DF | CHECK-OPERATED RELEASER FOR AUTOMOBILE SERVICE EQUIPMENT |
| 905 | DF | SHOPPING CART RETURN |
| 906 | DF | VIDEO CASSETTE VENDOR |
