354892

Information

• Patent Grant
• 354892

• References
• Source

• Patent Number

  354,892

• Date Filed

  Not available

• Date Issued

  Tuesday, December 28, 1886
  138 years ago

• CPC

  • E04C5/208 - Spacers especially adapted for cylindrical reinforcing cages
  • H02G9/06 - in underground tubes or conduits Tubes or conduits therefor
  • H02G7/12 - Devices for maintaining distance between parallel conductors

• US Classifications

  • 174 - Electricity: conductors and insulators
  • 052 - Static structures