3911554

Information

• Patent Grant
• 3911554

• References
• Source

• Patent Number

  3,911,554

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1975
  49 years ago

• CPC

  • B29C53/063 - combined with folding
  • B23C3/305 - in which more than one milling tool is used simultaneously
  • B26D3/065 - On sheet material
  • B29C67/2295 - after treatment of shaped foamed articles
  • B31F1/10 - by rotary tools
  • E04F13/0878 - the basic insulating layer comprising mutual alignment or interlocking means
  • B29C37/0057 - Moulding single grooves or ribs
  • B29L2031/10 - Building elements
  • B29L2031/22 - Hinges, pivots
  • Y10S29/033 - Scoring with other step
  • Y10T29/49982 - Coating

• US Classifications

  • 029 - Metal working
  • 052 - Static structures
  • 072 - Metal deforming
  • 228 - Metal fusion bonding
  • 249 - Static molds