2421891

Information

• Patent Grant
• 2421891

• References
• Source

• Patent Number

  2,421,891

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1947
  77 years ago

• CPC

  • B23K20/04 - by means of a rolling mill
  • Y10T29/49954 - Fastener deformed after application
  • Y10T29/49968 - Metal fusion joining
  • Y10T428/12313 - Arranged to avoid lateral displacement
  • Y10T428/12354 - Nonplanar, uniform-thickness material having symmetrical channel shape or reverse fold [e.g., making acute angle, etc.]
  • Y10T428/12778 - Alternative base metals from diverse categories

• US Classifications

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