1683254

Information

• Patent Grant
• 1683254

• References
• Source

• Patent Number

  1,683,254

• Date Filed

  Not available

• Date Issued

  Tuesday, September 4, 1928
  96 years ago

• CPC

  • D21F5/146 - Vacuum seals
  • F26B13/005 - Seals, locks
  • Y10S277/906 - Seal for article of indefinite length
  • Y10S277/913 - Seal for fluid pressure below atmospheric

• US Classifications

  • 034 - Drying and gas or vapor contact with solids
  • 068 - Textiles: fluid treating apparatus
  • 226 - Advancing material of indeterminate length
  • 277 - Seal for a joint or juncture