2020652

Information

• Patent Grant
• 2020652

• References
• Source

• Patent Number

  2,020,652

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1935
  89 years ago

• CPC

  • B21B27/028 - Variable-width rolls

• US Classifications

  • 492 - Roll or roller
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener