3313018

Information

• Patent Grant
• 3313018

• References
• Source

• Patent Number

  3,313,018

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1967
  57 years ago

• CPC

  • B21D53/00 - Making other particular articles
  • H04R7/04 - Plane diaphragms
  • Y10T29/49575 - including diaphragm or support therefor
  • Y10T29/4981 - Utilizing transitory attached element or associated separate material

• US Classifications

  • 029 - Metal working
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 181 - Acoustics
  • 216 - Etching a substrate: processes