450503

Information

• Patent Grant
• 450503

• References
• Source

• Patent Number

  450,503

• Date Filed

  Not available

• Date Issued

  Tuesday, April 14, 1891
  133 years ago

• CPC

  • A43C15/068 - Climbing devices or attachments
  • A43C15/061 - Ice-gripping devices or attachments
  • A61J9/04 - with means for supplying air

• US Classifications

  • 036 - Boots, shoes, and leggings