490990

Information

• Patent Grant
• 490990

• References
• Source

• Patent Number

  490,990

• Date Filed

  Not available

• Date Issued

  Tuesday, January 31, 1893
  131 years ago

• CPC

  • E05F1/10 - for swinging wings
  • Y10T16/597 - Rubber

• US Classifications

  • 016 - Miscellaneous hardware