3828687

Information

• Patent Grant
• 3828687

• References
• Source

• Patent Number

  3,828,687

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1974
  50 years ago

• CPC

  • B65G35/005 - with peristaltic propulsion along a flexible tube
  • B61B13/122 - Pneumatic systems
  • B61C11/06 - tractive effort applied or supplied by aerodynamic force or fluid reaction
  • B66B23/02 - Driving gear

• US Classifications

  • 104 - Railways
  • 198 - Conveyors: power-driven