1687996

Information

• Patent Grant
• 1687996

• References
• Source

• Patent Number

  1,687,996

• Date Filed

  Not available

• Date Issued

  Tuesday, October 16, 1928
  96 years ago

• CPC

  • F04D25/086 - hand operated

• US Classifications

  • 185 - Motors: spring, weight, or animal powered