919272

Information

• Patent Grant
• 919272

• References
• Source

• Patent Number

  919,272

• Date Filed

  Not available

• Date Issued

  Tuesday, April 20, 1909
  115 years ago

• CPC

  • E04B2/06 - using elements having specially-designed means for stabilising the position
  • E04B2002/0208 - of trapezoidal shape
  • E04B2002/0239 - Round dovetails

• US Classifications

  • 052 - Static structures