3630426

Information

• Patent Grant
• 3630426

• References
• Source

• Patent Number

  3,630,426

• Date Filed

  Not available

• Date Issued

  Tuesday, December 28, 1971
  53 years ago

• CPC

  • B65H20/24 - by looping or like devices
  • B65H20/02 - by friction roller
  • B65H23/1806 - in reel-to-reel type web winding and unwinding mechanism
  • B65H2301/31122 - Omega-shaped

• US Classifications

  • 226 - Advancing material of indeterminate length
  • 101 - Printing