2193088

Information

• Patent Grant
• 2193088

• References
• Source

• Patent Number

  2,193,088

• Date Filed

  Not available

• Date Issued

  Tuesday, March 12, 1940
  85 years ago

• CPC

  • B23P15/002 - poppet valves
  • F01L3/02 - Selecting particular materials for valve-members or valve-seats Valve-members or valve-seats composed of two or more materials
  • Y10T29/49307 - Composite or hollow valve stem or head making
  • Y10T29/49313 - including casting
  • Y10T428/12243 - Disk
  • Y10T428/12271 - having discrete fastener, marginal fastening, taper, or end structure
  • Y10T428/12292 - Workpiece with longitudinal passageway or stopweld material [e.g., for tubular stock, etc.]
  • Y10T428/12382 - Defined configuration of both thickness and nonthickness surface or angle therebetween [e.g., rounded corners, etc.]
  • Y10T428/12451 - Macroscopically anomalous interface between layers
  • Y10T428/12986 - Adjacent functionally defined components

• US Classifications

  • 029 - Metal working
  • 123 - Internal-combustion engines
  • 420 - Alloys or metallic compositions
  • 428 - Stock material or miscellaneous articles