2123842

Information

• Patent Grant
• 2123842

• References
• Source

• Patent Number

  2,123,842

• Date Filed

  Not available

• Date Issued

  Tuesday, July 12, 1938
  86 years ago

• CPC

  • B21D53/74 - frames for openings
  • Y10S29/033 - Scoring with other step
  • Y10T24/4709 - Bendable sheet material

• US Classifications

  • 072 - Metal deforming
  • 024 - Buckles, buttons, clasps, etc.
  • 029 - Metal working