1473052

Information

• Patent Grant
• 1473052

• References
• Source

• Patent Number

  1,473,052

• Date Filed

  Not available

• Date Issued

  Tuesday, November 6, 1923
  101 years ago

• CPC

  • F02M29/08 - having spirally-wound wires

• US Classifications

  • 048 - Gas: heating and illuminating
  • 138 - Pipes and tubular conduits
  • 251 - Valves and valve actuation