2441476

Information

• Patent Grant
• 2441476

• References
• Source

• Patent Number

  2,441,476

• Date Filed

  Not available

• Date Issued

  Tuesday, May 11, 1948
  76 years ago

• CPC

  • E04C2/3405 - spaced apart by profiled spacer sheets
  • B21D13/04 - by rolling
  • B21H8/005 - Embossing sheets or rolls
  • E04C2002/3433 - with dimples extending from both sides of the spacer sheet
  • Y10T29/49622 - Vehicular structural member making
  • Y10T428/12347 - Plural layers discontinuously bonded [e.g., spot-weld, mechanical fastener, etc.]
  • Y10T428/12417 - Intersecting corrugating or dimples not in a single line [e.g., waffle form, etc.]

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 029 - Metal working
  • 052 - Static structures
  • 072 - Metal deforming
  • D05 - Textile or paper yard goods
  • D25 - Building units and construction elements