3350502

Information

• Patent Grant
• 3350502

• References
• Source

• Patent Number

  3,350,502

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1967
  57 years ago

• CPC

  • H04N7/164 - Coin-freed apparatus
  • H04H60/31 - Arrangements for monitoring the use made of the broadcast services
  • H04H60/14 - Arrangements for conditional access to broadcast information or to broadcast-related services

• US Classifications

  • 725 - Interactive video distribution systems
  • 348 - Television