3540548

Information

• Patent Grant
• 3540548

• References
• Source

• Patent Number

  3,540,548

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1970
  54 years ago

• CPC

  • E04F21/1838 - for setting a plurality of similar elements
  • E04F21/1877 - Leveling devices

• US Classifications

  • 182 - Fire escape, ladder, or scaffold
  • 033 - Geometrical instruments
  • 254 - Implements or apparatus for applying pushing or pulling force