2246578

Information

• Patent Grant
• 2246578

• References
• Source

• Patent Number

  2,246,578

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1941
  83 years ago

• CPC

  • E04C5/06 - of high bending resistance, i.e. of essentially three-dimensional extent
  • B21B1/08 - for rolling structural sections, i.e. work of special cross-section
  • B21B1/0815 - from flat-rolled products
  • B21B2001/081 - Roughening or texturing surfaces of structural sections, bars, rounds, wire rods
  • Y10T29/49625 - Openwork, e.g., a truss, joist, frame, lattice-type or box beam
  • Y10T29/5116 - forging and bending, cutting or punching
  • Y10T428/1234 - Honeycomb, or with grain orientation or elongated elements in defined angular relationship in respective components [e.g., parallel, inter- secting, etc.]
  • Y10T428/12375 - having member which crosses the plane of another member [e.g., T or X cross section, etc.]
  • Y10T428/12389 - having variation in thickness

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 029 - Metal working
  • 052 - Static structures
  • 072 - Metal deforming
  • 238 - Railways: surface track