447960

Information

• Patent Grant
• 447960

• References
• Source

• Patent Number

  447,960

• Date Filed

  Not available

• Date Issued

  Tuesday, March 10, 1891
  133 years ago

• CPC

  • A62C3/004 - for freezing warehouses and storages
  • A44B17/0011 - Press-button fasteners in which the elastic retaining action is obtained by a spring working in the plane of the fastener
  • Y10T16/127 - Sliding
  • Y10T403/606 - Leaf spring

• US Classifications

  • 016 - Miscellaneous hardware
  • 052 - Static structures
  • 403 - Joints and connections