1876021

Information

• Patent Grant
• 1876021

• References
• Source

• Patent Number

  1,876,021

• Date Filed

  Not available

• Date Issued

  Tuesday, September 6, 1932
  92 years ago

• CPC

  • B21J15/44 - Rivet hole positioners
  • Y10T29/49897 - Registering mating opposed tool parts [e.g., registering a punch and a cooperating die]
  • Y10T29/49902 - by manipulating aligning means
  • Y10T29/53913 - Aligner or center
  • Y10T29/5393 - Means comprising impact receiving tool

• US Classifications

  • 029 - Metal working
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener