1810690

Information

• Patent Grant
• 1810690

• References
• Source

• Patent Number

  1,810,690

• Date Filed

  Not available

• Date Issued

  Tuesday, June 16, 1931
  93 years ago

• CPC

  • B65H19/2276 - The web roll being driven by a winding mechanism of the coreless type
  • D06F31/00 - Washing installations comprising an assembly of several washing machines or washing units
  • B65H2301/41814 - by container storing cores and feeding through wedge-shaped slot or elongated channel
  • B65H2301/41822 - from above

• US Classifications

  • 242 - Winding, tensioning, or guiding