2273543

Information

• Patent Grant
• 2273543

• References
• Source

• Patent Number

  2,273,543

• Date Filed

  Not available

• Date Issued

  Tuesday, February 17, 1942
  82 years ago

• CPC

  • B22D7/12 - Appurtenances
  • B22D7/04 - Casting hollow ingots
  • Y10T428/12264 - having outward flange, gripping means or interlocking feature
  • Y10T428/12271 - having discrete fastener, marginal fastening, taper, or end structure
  • Y10T428/12368 - Struck-out portion type

• US Classifications

  • 249 - Static molds
  • 428 - Stock material or miscellaneous articles