1274987

Information

• Patent Grant
• 1274987

• References
• Source

• Patent Number

  1,274,987

• Date Filed

  Not available

• Date Issued

  Tuesday, August 6, 1918
  106 years ago

• CPC

  • B29C33/52 - soluble or fusible
  • Y10S425/111 - Hollow block

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 052 - Static structures
  • 425 - Plastic article or earthenware shaping or treating: apparatus