2248936

Information

• Patent Grant
• 2248936

• References
• Source

• Patent Number

  2,248,936

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1941
  83 years ago

• CPC

  • B60H1/00442 - using a vacuum
  • E02D9/02 - by withdrawing

• US Classifications

  • 254 - Implements or apparatus for applying pushing or pulling force