2138383

Information

• Patent Grant
• 2138383

• References
• Source

• Patent Number

  2,138,383

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1938
  86 years ago

• CPC

  • B65H75/18 - Constructional details
  • B65H2701/31 - Textiles threads or artificial strands of filaments
  • Y10S493/954 - Spool
  • Y10T29/496 - Multiperforated metal article making

• US Classifications

  • 068 - Textiles: fluid treating apparatus
  • 029 - Metal working
  • 138 - Pipes and tubular conduits
  • 242 - Winding, tensioning, or guiding
  • 493 - Manufacturing container or tube from paper