3630612

Information

• Patent Grant
• 3630612

• References
• Source

• Patent Number

  3,630,612

• Date Filed

  Not available

• Date Issued

  Tuesday, December 28, 1971
  53 years ago

• CPC

  • G03B27/6221 - Transparent copy platens

• US Classifications

  • 355 - Photocopying
  • 385 - Optical waveguides