1692720

Information

• Patent Grant
• 1692720

• References
• Source

• Patent Number

  1,692,720

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1928
  96 years ago

• CPC

  • B31F1/128 - Making paper elastic in all directions, other than by crêping

• US Classifications

  • 270 - Sheet-material associating
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus