2256159

Information

• Patent Grant
• 2256159

• References
• Source

• Patent Number

  2,256,159

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1941
  83 years ago

• CPC

  • B29D23/001 - Pipes; Pipe joints
  • A47G21/18 - Drinking straws or the like
  • B29C53/32 - Coiling
  • B29C53/40 - for articles of definite length
  • B29K2021/00 - Use of unspecified rubbers as moulding material
  • B29L2009/00 - Layered products
  • B29L2023/008 - Drinking straws
  • Y10S264/73 - Processes of stretching
  • Y10T156/1038 - Hollow cylinder article

• US Classifications

  • 138 - Pipes and tubular conduits
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 525 - Synthetic resins or natural rubbers