Check-actuated Control Mechanisms Patents (Class 194)
- By pliant currency (e.g., dollar bill, etc.) (Class 194/206)
- Having means to mutilate check (Class 194/208)
- Having means to read magnetically encoded check (Class 194/210)
- Having electric circuit with switch operated by check (Class 194/211)
- Having means to test physical characteristic of check (Class 194/212)