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3474438
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Information
Patent Grant
3474438
References
Source
Patent Number
3,474,438
Date Filed
Not available
Date Issued
Tuesday, October 21, 1969
54 years ago
CPC
G07C3/00 - Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
G06F3/002 - Specific input/output arrangements not covered by G06F3/02 - G06F3/16
G06F3/02 - Input arrangements using manually operated switches
G08C25/04 - by recording transmitted signals
US Classifications
345 - Computer graphics processing and selective visual display systems
324 - Electricity: measuring and testing
340 - Communications: electrical
700 - Data processing: generic control systems or specific applications
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