2137807

Information

• Patent Grant
• 2137807

• References
• Source

• Patent Number

  2,137,807

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1938
  86 years ago

• CPC

  • G07F15/06 - with means for prepaying basic charges
  • Y10T74/1503 - Rotary to intermittent unidirectional motion

• US Classifications

  • 324 - Electricity: measuring and testing
  • 074 - Machine element or mechanism