2421455

Information

• Patent Grant
• 2421455

• References
• Source

• Patent Number

  2,421,455

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1947
  77 years ago

• CPC

  • F03G5/00 - Devices for producing mechanical power from muscle energy
  • F03G2730/05 - Motors driven by hands or feet
  • Y10T74/15 - Intermittent grip type mechanical movement
  • Y10T74/1527 - Screw and nut devices
  • Y10T74/18312 - Grooved
  • Y10T74/18992 - Reciprocating to reciprocating

• US Classifications

  • 074 - Machine element or mechanism
  • 030 - Cutlery