2605855

Information

• Patent Grant
• 2605855

• References
• Source

• Patent Number

  2,605,855

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1952
  72 years ago

• CPC

  • H04R31/003 - for diaphragms or their outer suspension
  • Y10S493/902 - Dished

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 162 - Paper making and fiber liberation
  • 181 - Acoustics
  • 493 - Manufacturing container or tube from paper