2175777

Information

• Patent Grant
• 2175777

• References
• Source

• Patent Number

  2,175,777

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1939
  85 years ago

• CPC

  • E21D15/18 - with one part resting on a supporting medium

• US Classifications

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