3857992

Information

• Patent Grant
• 3857992

• References
• Source

• Patent Number

  3,857,992

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1974
  50 years ago

• CPC

  • H02B1/42 - Mounting of devices therein
  • H02B1/505 - retractable installations

• US Classifications

  • 174 - Electricity: conductors and insulators
  • 312 - Supports: cabinet structure
  • 361 - Electricity: electrical systems and devices