1538789

Information

• Patent Grant
• 1538789

• References
• Source

• Patent Number

  1,538,789

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1925
  99 years ago

• CPC

  • B29C44/0407 - by regulating the temperature of the mould or parts thereof
  • B29C44/1271 - the preformed parts being partially covered
  • B29C33/10 - with incorporated venting means
  • B29K2105/043 - Skinned foam
  • B29K2105/253 - Preform
  • B29L2031/706 - Buoys
  • Y10T428/24008 - including fastener for attaching to external surface
  • Y10T428/249989 - Integrally formed skin
  • Y10T428/3183 - Next to second layer of natural rubber

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 004 - Baths, closets, sinks, and spittoons
  • 200 - Electricity: circuit makers and breakers
  • 249 - Static molds
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 521 - Synthetic resins or natural rubbers