2971840

Information

• Patent Grant
• 2971840

• References
• Source

• Patent Number

  2,971,840

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1961
  63 years ago

• CPC

  • G03D9/006 - using heat
  • G03C8/40 - Development by heat Photo-thermographic processes

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof