2074669

Information

• Patent Grant
• 2074669

• References
• Source

• Patent Number

  2,074,669

• Date Filed

  Not available

• Date Issued

  Tuesday, March 23, 1937
  87 years ago

• CPC

  • B41L9/04 - with flat supports over which gelatin-paper is stretched

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • 281 - Books, strips, and leaves
  • 384 - Bearings
  • D18 - Printing and office machinery