1342986

Information

• Patent Grant
• 1342986

• References
• Source

• Patent Number

  1,342,986

• Date Filed

  Not available

• Date Issued

  Tuesday, June 8, 1920
  104 years ago

• CPC

  • E03B3/20 - of elements of special shape
  • Y10T29/49602 - Coil wound wall screen

• US Classifications

  • 166 - Wells
  • 029 - Metal working