2961286

Information

• Patent Grant
• 2961286

• References
• Source

• Patent Number

  2,961,286

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1960
  64 years ago

• CPC

  • G01D15/04 - acting to punch holes in the recording surface

• US Classifications

  • 346 - Recorders
  • 361 - Electricity: electrical systems and devices