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AIRSHIP & METHOD OF OPERATION

  • US 20090321557A1
  • Filed: 06/26/2009
  • Published: 12/31/2009
  • Est. Priority Date: 09/28/2005
  • Status: Abandoned Application
First Claim
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1. A non-rigid, non-spherical airship comprising:

  • a first envelope defining a hull having a first volume;

    a second envelope contained within the first volume and the second envelope defining a second volume; and

    a third envelope contained within the second volume and defining a third volume for holding a volume of lifting gas.

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