1934540

Information

• Patent Grant
• 1934540

• References
• Source

• Patent Number

  1,934,540

• Date Filed

  Not available

• Date Issued

  Tuesday, November 7, 1933
  91 years ago

• CPC

  • B31B1/74 - Auxiliary operations; Parts; Components
  • B31B2201/61 - Moistening Drying Cooling Heating Sterilizing

• US Classifications

  • 493 - Manufacturing container or tube from paper
  • 034 - Drying and gas or vapor contact with solids