3612752

Information

• Patent Grant
• 3612752

• References
• Source

• Patent Number

  3,612,752

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1971
  53 years ago

• CPC

  • H04N7/164 - Coin-freed apparatus
  • H04N7/10 - Adaptations for transmission by electric cable

• US Classifications

  • 380 - Cryptography
  • 348 - Television