1337746

Information

• Patent Grant
• 1337746

• References
• Source

• Patent Number

  1,337,746

• Date Filed

  Not available

• Date Issued

  Tuesday, April 20, 1920
  104 years ago

• CPC

  • F23J11/08 - for portable apparatus
  • F23J2211/30 - Chimney or flue associated with building ventilation system

• US Classifications

  • 052 - Static structures