1551785

Information

• Patent Grant
• 1551785

• References
• Source

• Patent Number

  1,551,785

• Date Filed

  Not available

• Date Issued

  Tuesday, September 1, 1925
  99 years ago

• CPC

  • F21V21/18 - operated by springs

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • 191 - Electricity: transmission to vehicles