2922418

Information

• Patent Grant
• 2922418

• References
• Source

• Patent Number

  2,922,418

• Date Filed

  Not available

• Date Issued

  Tuesday, January 26, 1960
  65 years ago

• CPC

  • B29C70/088 - and with one or more layers of non-plastics material or non-specified material
  • A62B23/025 - the filter having substantially the shape of a mask
  • B29C67/0044 - for shaping edges or extremities
  • B29D99/0071 - Masks
  • B29L2031/4835 - Masks

• US Classifications

  • 128 - Surgery
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • D24 - Medical and laboratory equipment