1992763

Information

• Patent Grant
• 1992763

• References
• Source

• Patent Number

  1,992,763

• Date Filed

  Not available

• Date Issued

  Tuesday, February 26, 1935
  90 years ago

• CPC

  • F16L9/01 - of wood

• US Classifications

  • 138 - Pipes and tubular conduits
  • 235 - Registers
  • 405 - Hydraulic and earth engineering