1801346

Information

• Patent Grant
• 1801346

• References
• Source

• Patent Number

  1,801,346

• Date Filed

  Not available

• Date Issued

  Tuesday, April 21, 1931
  93 years ago

• CPC

  • B28B7/306 - pliable or extensible
  • Y10S264/41 - Processes of molding collapsible tubes

• US Classifications

  • 249 - Static molds
  • 264 - Plastic and nonmetallic article shaping or treating: processes