2635450

Information

• Patent Grant
• 2635450

• References
• Source

• Patent Number

  2,635,450

• Date Filed

  Not available

• Date Issued

  Tuesday, April 21, 1953
  71 years ago

• CPC

  • E04B1/6179 - with protrusions and recesses on each frontal surface
  • B28B7/18 - the holes passing completely through the article
  • B28B23/005 - with anchoring or fastening elements for the shaped articles
  • E04B1/612 - by means between frontal surfaces
  • E04B2/08 - by interlocking of projections or inserts with indentations
  • E04C2/06 - reinforced
  • E04G21/145 - specific for hollow plates

• US Classifications

  • 052 - Static structures