3840254

Information

• Patent Grant
• 3840254

• References
• Source

• Patent Number

  3,840,254

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1974
  50 years ago

• CPC

  • B29C65/3612 - comprising fillers
  • B29C66/83221 - cooperating reciprocating tools, each tool reciprocating along one axis
  • B29C71/02 - Thermal after-treatment
  • B42C13/006 - Drying or setting devices for books
  • B29C65/368 - with a polymer coating
  • B29C66/81811 - of the welding jaws
  • B29K2995/0008 - Magnetic, paramagnetic
  • B29L2031/7052 - Book covers

• US Classifications

  • 281 - Books, strips, and leaves