3402700

Information

• Patent Grant
• 3402700

• References
• Source

• Patent Number

  3,402,700

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1968
  56 years ago

• CPC

  • F22B37/365 - Casings of metal sheets
  • B65D65/403 - with at least one corrugated layer
  • E04C2/3405 - spaced apart by profiled spacer sheets
  • F22B7/16 - Component parts thereof Accessories therefor
  • E04C2002/345 - with triangular corrugations
  • E04C2002/3466 - with sinusoidal corrugations
  • E04C2002/3472 - with multiple layers of profiled spacer sheets

• US Classifications

  • 122 - Liquid heaters and vaporizers