3922800

Information

• Patent Grant
• 3922800

• References
• Source

• Patent Number

  3,922,800

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1975
  49 years ago

• CPC

  • A43B13/08 - wood
  • A43B3/26 - Footwear adjustable as to length or size
  • A43B5/0441 - by lifting the insole

• US Classifications

  • 036 - Boots, shoes, and leggings