1854279

Information

• Patent Grant
• 1854279

• References
• Source

• Patent Number

  1,854,279

• Date Filed

  Not available

• Date Issued

  Tuesday, April 19, 1932
  92 years ago

• CPC

  • G03B27/02 - Exposure apparatus for contact printing
  • Y10S164/08 - Piston

• US Classifications

  • 355 - Photocopying
  • 164 - Metal founding