1340812

Information

• Patent Grant
• 1340812

• References
• Source

• Patent Number

  1,340,812

• Date Filed

  Not available

• Date Issued

  Tuesday, May 18, 1920
  104 years ago

• CPC

  • H01B17/525 - Self-cleaning
  • Y10T29/49812 - Temporary protective coating, impregnation, or cast layer
  • Y10T156/1082 - Partial cutting bonded sandwich [e.g., grooving or incising]

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 029 - Metal working