638459

Information

• Patent Grant
• 638459

• References
• Source

• Patent Number

  638,459

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1899
  125 years ago

• CPC

  • C10H3/00 - Acetylene gas generators with automatic water feed regulation by means independent of the gas-holder

• US Classifications

  • 048 - Gas: heating and illuminating