1904612

Information

• Patent Grant
• 1904612

• References
• Source

• Patent Number

  1,904,612

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1933
  91 years ago

• CPC

  • A46B11/0031 - Means for influencing rotation of the knob
  • A46B11/0027 - Lead-screw mechanisms

• US Classifications

  • 401 - Coating implements with material supply
  • 229 - Envelopes, wrappers, and paperboard boxes