199850

Information

• Patent Grant
• 199850

• References
• Source

• Patent Number

  199,850

• Date Filed

  Not available

• Date Issued

  Tuesday, January 29, 1878
  147 years ago

• CPC

  • B32B3/28 - characterised by a layer comprising a deformed thin sheet , i.e. the layer having its entire thickness deformed out of the plane
  • A61F2013/530598 - in aggregates
  • Y10T428/234 - including elements cooperating to form cells

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 040 - Card, picture, or sign exhibiting