2121309

Information

• Patent Grant
• 2121309

• References
• Source

• Patent Number

  2,121,309

• Date Filed

  Not available

• Date Issued

  Tuesday, June 21, 1938
  86 years ago

• CPC

  • B41N1/20 - made of metal or similar inorganic compounds
  • B41F27/1237 - by translatory motion substantially perpendicular to support surface

• US Classifications

  • 101 - Printing
  • 430 - Radiation imagery chemistry: process, composition, or product thereof