1949638

Information

• Patent Grant
• 1949638

• References
• Source

• Patent Number

  1,949,638

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1934
  90 years ago

• CPC

  • F22B37/201 - Suspension and securing arrangements for walls built-up from tubes

• US Classifications

  • 122 - Liquid heaters and vaporizers