3295269

Information

• Patent Grant
• 3295269

• References
• Source

• Patent Number

  3,295,269

• Date Filed

  Not available

• Date Issued

  Tuesday, January 3, 1967
  57 years ago

• CPC

  • A47G27/0218 - Link mats
  • A45B9/00 - Details
  • A45B19/00 - Special folding or telescoping of umbrellas
  • E01D15/122 - Inflatable or unreelable bridges ; Bridges with main load-supporting structure consisting only of non-rigid elements
  • E04C3/005 - Girders or columns that are rollable, collapsible or otherwise adjustable in length or height
  • E04C3/10 - prestressed
  • E04G9/08 - Forming boards or similar elements, which are collapsible, foldable, or able to be rolled up
  • E04H15/60 - Poles
  • F16B1/00 - Devices for securing together, or preventing relative movement between, constructional elements or machine parts
  • F16C1/00 - Flexible shafts Mechanical means for transmitting movement in a flexible sheathing
  • E04C2003/0413 - being built up from several parts
  • E04C2003/0434 - the open cross-section free of enclosed cavities
  • E04C2003/0447 - circular- or oval-shaped
  • E04C2003/0452 - H- or I-shaped
  • E04C2003/0465 - square- or rectangular-shaped

• US Classifications

  • 052 - Static structures
  • 182 - Fire escape, ladder, or scaffold