1721252

Information

• Patent Grant
• 1721252

• References
• Source

• Patent Number

  1,721,252

• Date Filed

  Not available

• Date Issued

  Tuesday, July 16, 1929
  95 years ago

• CPC

  • D05B1/26 - for making fluid-tight seams
  • Y10T156/1734 - Means bringing articles into association with web

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 012 - Boot and shoe making
  • 112 - Sewing