1977908

Information

• Patent Grant
• 1977908

• References
• Source

• Patent Number

  1,977,908

• Date Filed

  Not available

• Date Issued

  Tuesday, October 23, 1934
  90 years ago

• CPC

  • B42C7/006 - Folding the edges of covers

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture