1937774

Information

• Patent Grant
• 1937774

• References
• Source

• Patent Number

  1,937,774

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1933
  91 years ago

• CPC

  • F28D1/0246 - heat-exchange elements having several adjacent conduits forming a whole
  • F28F9/264 - by sleeves, nipples
  • F28D2021/0035 - for domestic or space heating

• US Classifications

  • 165 - Heat exchange