1516667

Information

• Patent Grant
• 1516667

• References
• Source

• Patent Number

  1,516,667

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1924
  100 years ago

• CPC

  • B22D17/2263 - having tubular die cavities
  • B22C9/06 - Permanent moulds for shaped castings
  • B22C9/08 - Features with respect to supply of molten metal
  • B22D17/2272 - Sprue channels
  • B22D17/24 - Accessories for locating and holding cores or inserts
  • Y10S425/051 - Sprue removal
  • Y10S425/056 - Telephone

• US Classifications

  • 249 - Static molds
  • 425 - Plastic article or earthenware shaping or treating: apparatus