216989

Information

• Patent Grant
• 216989

• References
• Source

• Patent Number

  216,989

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1879
  145 years ago

• CPC

  • B21D28/06 - Making more than one part out of the same blank Scrapless working
  • Y10T29/49607 - Spring-head clip making
  • Y10T428/12236 - Panel having nonrectangular perimeter

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 029 - Metal working