3657523

Information

• Patent Grant
• 3657523

• References
• Source

• Patent Number

  3,657,523

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1972
  52 years ago

• CPC

  • B67D7/103 - operated by keys
  • B67D7/24 - with means for producing or issuing a receipt or record of sale
  • G06Q20/342 - Cards defining paid or billed services or quantities
  • G07F7/025 - by means
  • G07F13/025 - wherein the volume is determined during delivery

• US Classifications

  • 235 - Registers