1395489

Information

• Patent Grant
• 1395489

• References
• Source

• Patent Number

  1,395,489

• Date Filed

  Not available

• Date Issued

  Tuesday, November 1, 1921
  103 years ago

• CPC

  • B44B3/066 - Master copy holders
  • B43L13/10 - Pantographic instruments for copying, enlarging, or diminishing

• US Classifications

  • 033 - Geometrical instruments
  • 199 - Type casting