1826549

Information

• Patent Grant
• 1826549

• References
• Source

• Patent Number

  1,826,549

• Date Filed

  Not available

• Date Issued

  Tuesday, October 6, 1931
  93 years ago

• CPC

  • B21K1/22 - poppet valves
  • B23K5/18 - for purposes other than joining parts
  • B23P11/00 - Connecting metal parts or objects by metal-working techniques, not covered wholly by either B21J or B23K
  • H01R4/46 - Clamping area between two screws placed side by side
  • H05B3/00 - Ohmic-resistance heating
  • Y10T29/49309 - including forging
  • Y10T29/49915 - Overedge assembling of seated part
  • Y10T29/49934 - by axially applying force
  • Y10T29/49936 - Surface interlocking

• US Classifications

  • 029 - Metal working
  • 123 - Internal-combustion engines
  • 219 - Electric heating