2221203

Information

• Patent Grant
• 2221203

• References
• Source

• Patent Number

  2,221,203

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1940
  84 years ago

• CPC

  • E21D15/54 - Details of the ends of props
  • B66F13/00 - Common constructional features or accessories

• US Classifications

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