2633441

Information

• Patent Grant
• 2633441

• References
• Source

• Patent Number

  2,633,441

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1953
  71 years ago

• CPC

  • E04C2/043 - of plaster
  • B28B1/48 - by removing material from solid section preforms for forming hollow articles
  • B28B11/12 - for removing parts of the articles by cutting
  • B29C65/7437 - the tool being a perforating tool
  • B29C66/43 - Joining a relatively small portion of the surface of said articles
  • B29C67/0044 - for shaping edges or extremities
  • Y10S264/70 - Processes for forming screens or perforating articles
  • Y10T428/24322 - Composite web or sheet

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 428 - Stock material or miscellaneous articles