1503004

Information

• Patent Grant
• 1503004

• References
• Source

• Patent Number

  1,503,004

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1924
  100 years ago

• CPC

  • F02M29/10 - adjustable
  • F02M29/08 - having spirally-wound wires

• US Classifications

  • 048 - Gas: heating and illuminating
  • 138 - Pipes and tubular conduits