2330073

Information

• Patent Grant
• 2330073

• References
• Source

• Patent Number

  2,330,073

• Date Filed

  Not available

• Date Issued

  Tuesday, September 21, 1943
  81 years ago

• CPC

  • B29D99/0071 - Masks
  • B29L2031/4835 - Masks

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 264 - Plastic and nonmetallic article shaping or treating: processes