3454687

Information

• Patent Grant
• 3454687

• References
• Source

• Patent Number

  3,454,687

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1969
  55 years ago

• CPC

  • B29C47/885 - Endless cooling belts
  • G03B21/56 - Projection screens
  • B29C47/0019 - Flat rigid articles
  • B29C47/0021 - Flat flexible articles
  • Y10S528/934 - Latex

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 359 - Optical: systems and elements
  • 523 - Synthetic resins or natural rubbers
  • 524 - Synthetic resins or natural rubbers
  • 528 - Synthetic resins or natural rubbers