2145997

Information

• Patent Grant
• 2145997

• References
• Source

• Patent Number

  2,145,997

• Date Filed

  Not available

• Date Issued

  Tuesday, February 7, 1939
  85 years ago

• CPC

  • A43D25/063 - Multiple pressing devices in a closed circuit

• US Classifications

  • 012 - Boot and shoe making
  • 116 - Signals and indicators
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 340 - Communications: electrical