3802853

Information

• Patent Grant
• 3802853

• References
• Source

• Patent Number

  3,802,853

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1974
  50 years ago

• CPC

  • F27D1/06 - Composite bricks or blocks
  • F22B37/365 - Casings of metal sheets
  • Y10T428/12326 - with provision for limited relative movement between components
  • Y10T428/12354 - Nonplanar, uniform-thickness material having symmetrical channel shape or reverse fold [e.g., making acute angle, etc.]
  • Y10T428/12361 - having aperture or cut
  • Y10T428/12417 - Intersecting corrugating or dimples not in a single line [e.g., waffle form, etc.]

• US Classifications

  • 428 - Stock material or miscellaneous articles