3870518

Information

• Patent Grant
• 3870518

• References
• Source

• Patent Number

  3,870,518

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1975
  49 years ago

• CPC

  • G03B27/22 - by stretching over a curved surface

• US Classifications

  • 355 - Photocopying
  • 358 - Facsimile and static presentation processing
  • 396 - Photography