3663978

Information

• Patent Grant
• 3663978

• References
• Source

• Patent Number

  3,663,978

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1972
  52 years ago

• CPC

  • A43D3/027 - Lasts with exchangeable parts

• US Classifications

  • 012 - Boot and shoe making