641444

Information

• Patent Grant
• 641444

• References
• Source

• Patent Number

  641,444

• Date Filed

  Not available

• Date Issued

  Tuesday, January 16, 1900
  125 years ago

• CPC

  • C01B31/308 - Carbides of alkali metals, strontium, barium or magnesium; Mixtures thereof with calcium carbide
  • C10H13/00 - Acetylene gas generation with combined dipping and drop-by-drop system

• US Classifications

  • 048 - Gas: heating and illuminating