2169129

Information

• Patent Grant
• 2169129

• References
• Source

• Patent Number

  2,169,129

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1939
  85 years ago

• CPC

  • B21F13/00 - Splitting wire
  • Y10T29/31 - Spectacle-frame making
  • Y10T29/49982 - Coating
  • Y10T29/49996 - Successive distinct removal operations
  • Y10T428/12389 - having variation in thickness

• US Classifications

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