503640

Information

• Patent Grant
• 503640

• References
• Source

• Patent Number

  503,640

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1893
  131 years ago

• CPC

  • F03G5/02 - of endless-walk type

• US Classifications

  • 185 - Motors: spring, weight, or animal powered
  • 254 - Implements or apparatus for applying pushing or pulling force