2415391

Information

• Patent Grant
• 2415391

• References
• Source

• Patent Number

  2,415,391

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1947
  78 years ago

• CPC

  • A62B18/025 - Halfmasks
  • B29D99/0071 - Masks
  • D21J7/00 - Manufacture of hollow articles from fibre suspensions or papier-mâchè by deposition of fibres in or on a wire-net mould
  • B29L2031/4835 - Masks

• US Classifications

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