2171276

Information

• Patent Grant
• 2171276

• References
• Source

• Patent Number

  2,171,276

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1939
  85 years ago

• CPC

  • G03F5/10 - using cross-line screens

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 075 - Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
  • 236 - Automatic temperature and humidity regulation