1997457

Information

• Patent Grant
• 1997457

• References
• Source

• Patent Number

  1,997,457

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1935
  89 years ago

• CPC

  • B60Q3/044 - lighting through the surface to be illuminated
  • Y10T70/367 - Latching bolt

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 070 - Locks
  • 248 - Supports
  • 362 - Illumination