2694634

Information

• Patent Grant
• 2694634

• References
• Source

• Patent Number

  2,694,634

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1954
  70 years ago

• CPC

  • G03F1/88 - prepared by photographic processes for production of originals simulating relief

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 264 - Plastic and nonmetallic article shaping or treating: processes