308890

Information

• Patent Grant
• 308890

• References
• Source

• Patent Number

  308,890

• Date Filed

  Not available

• Date Issued

  Tuesday, December 9, 1884
  140 years ago

• CPC

  • H01B3/441 - from alkenes
  • Y10S493/949 - Electrical insulation

• US Classifications

  • 174 - Electricity: conductors and insulators
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 493 - Manufacturing container or tube from paper
  • 523 - Synthetic resins or natural rubbers
  • 524 - Synthetic resins or natural rubbers