1890618

Information

• Patent Grant
• 1890618

• References
• Source

• Patent Number

  1,890,618

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1932
  92 years ago

• CPC

  • E03B9/10 - Protective plates or covers
  • Y10T292/426 - Screw catch

• US Classifications

  • 220 - Receptacles
  • 285 - Pipe joints or couplings
  • 292 - Closure fasteners