2637509

Information

• Patent Grant
• 2637509

• References
• Source

• Patent Number

  2,637,509

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1953
  71 years ago

• CPC

  • B65H59/04 - by devices acting on package or support
  • B65H49/32 - Stands or frameworks
  • B65H2701/373 - Spring steel

• US Classifications

  • 242 - Winding, tensioning, or guiding