1838792

Information

• Patent Grant
• 1838792

• References
• Source

• Patent Number

  1,838,792

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1931
  92 years ago

• CPC

  • B65H18/10 - Mechanisms in which power is applied to web-roll spindle
  • B29C43/24 - Calendering
  • B65H2301/414323 - spiral winding, i.e. single layers not touching each other
  • B65H2801/93 - Tyres

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus