2981997

Information

• Patent Grant
• 2981997

• References
• Source

• Patent Number

  2,981,997

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1961
  63 years ago

• CPC

  • E01C19/508 - Devices or arrangements for forming individual paving elements in situ
  • B28B7/02 - Moulds with adjustable parts specially for modifying at will the dimensions or form of the moulded article
  • B28B7/06 - Moulds with flexible parts
  • B28B7/348 - of plastic material or rubber
  • Y10S425/044 - Rubber mold
  • Y10S425/124 - Rubber matrix
  • Y10T428/24744 - Longitudinal or transverse tubular cavity or cell

• US Classifications

  • 249 - Static molds
  • 256 - Fences
  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 428 - Stock material or miscellaneous articles
  • 446 - Amusement devices: toys