1812742

Information

• Patent Grant
• 1812742

• References
• Source

• Patent Number

  1,812,742

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1931
  93 years ago

• CPC

  • B65H19/126 - with both-ends supporting arrangements
  • B65H2301/413526 - vertically moving supporting means
  • B65H2301/4173 - by central portion
  • B65H2301/41734 - involving rail

• US Classifications

  • 242 - Winding, tensioning, or guiding