1784142

Information

• Patent Grant
• 1784142

• References
• Source

• Patent Number

  1,784,142

• Date Filed

  Not available

• Date Issued

  Tuesday, December 9, 1930
  94 years ago

• CPC

  • B21D51/20 - barrels
  • Y10S29/04 - Strips of repeated articles - cut up later
  • Y10S411/957 - Biting tooth
  • Y10S411/958 - Coiled washer
  • Y10T428/12313 - Arranged to avoid lateral displacement
  • Y10T428/12368 - Struck-out portion type
  • Y10T428/12375 - having member which crosses the plane of another member [e.g., T or X cross section, etc.]
  • Y10T428/12403 - Longitudinally smooth and symmetrical
  • Y10T428/12465 - having magnetic properties, or preformed fiber orientation coordinate with shape
  • Y10T428/12903 - Cu-base component
  • Y10T428/12972 - Containing 0.01-1.7% carbon [i.e., steel]

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 029 - Metal working
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
  • 470 - Threaded, headed fastener, or washer making: process and apparatus