1989351

Information

• Patent Grant
• 1989351

• References
• Source

• Patent Number

  1,989,351

• Date Filed

  Not available

• Date Issued

  Tuesday, January 29, 1935
  89 years ago

• CPC

  • B43K5/12 - with ink-level inspection means

• US Classifications

  • 401 - Coating implements with material supply
  • 220 - Receptacles
  • D19 - Office supplies