1972646

Information

• Patent Grant
• 1972646

• References
• Source

• Patent Number

  1,972,646

• Date Filed

  Not available

• Date Issued

  Tuesday, September 4, 1934
  91 years ago

• CPC

  • C10H13/00 - Acetylene gas generation with combined dipping and drop-by-drop system

• US Classifications

  • 048 - Gas: heating and illuminating