2989893

Information

• Patent Grant
• 2989893

• References
• Source

• Patent Number

  2,989,893

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1961
  63 years ago

• CPC

  • G03B3/00 - Focusing arrangements
  • Y10T82/2539 - Feednut control

• US Classifications

  • 355 - Photocopying
  • 082 - Turning