3899153

Information

• Patent Grant
• 3899153

• References
• Source

• Patent Number

  3,899,153

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1975
  49 years ago

• CPC

  • E04G11/04 - for structures of spherical, spheroid or similar shape, or for cupola structures of circular or polygonal horizontal or vertical section Inflatable forms
  • B28B7/32 - inflatable
  • B28B21/88 - adjustable, collapsible or expansible

• US Classifications

  • 249 - Static molds