2140622

Information

• Patent Grant
• 2140622

• References
• Source

• Patent Number

  2,140,622

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1938
  85 years ago

• CPC

  • A01C7/185 - Foot valves

• US Classifications

  • 111 - Planting
  • 239 - Fluid sprinkling, spraying, and diffusing
  • 464 - Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts
  • 474 - Endless belt power transmission systems or components