Pneumatic structure
Patent 4765079 Issued on August 23, 1988. Estimated Expiration Date: 
December 1, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 1, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2041737 2047377 2348250 3071892 3159935 3377627 3918180 Animated three-dimensional inflatable displays Patent #: 4271620 InventorApplicationNo. 07/127220 filed on 12/01/1987US Classes:40/439, Fluid operated40/412, Fluid operated446/178, Including motorized fan446/199For changing or moving figure or figure partExaminersPrimary: Yu, MickeyAttorney, Agent or FirmInternational ClassG09F 19/00 (20060101)Foreign Application Priority Data1985-04-03 JPAbstractA pneumatic structure a part or the whole of which can desirably be put in motion when the pneumatic structure is shaped into, for example, outlines of living things or the like. A spare portion having at least a pair of bending fulcra is formed on the structure main body on the opposite side to a bending direction of the structure, and a length of arc between the respective fulcra of the spare portion is made shorter than 1/2 outer circumferential length of the pneumatic structure containing a set of the respective fulcra, whereby the structure can positively be maintained in a desired state under normal conditions and bending operation thereof can be promptly effected at a large angle by means of small external force. | |
