TREA

Helicopter blade, shafts and fins

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Information

  • Patent Grant
  • D581856
  • Patent Number
    D581,856
  • Date Filed
    Friday, November 16, 2007
    17 years ago
  • Date Issued
    Tuesday, December 2, 2008
    16 years ago
  • US Classifications
    Field of Search
    • US
    • D12 326-329
    • D12 345
    • D21 441-442
    • D21 450
    • D21 453
    • 446 036-045
    • 446 230000
    • 446 232000
    • 244 017110
    • 244 017230
    • 244 017250
    • 244 017190
    • 244 017270
    • 244 012400
  • International Classifications
    • 1207
    • Term of Grant
      14Years
Information
Abstract
Description


FIG. 1 is a perspective side view of helicopter blade, shafts and fins, showing our new design;



FIG. 2 is an opposite side perspective view thereof;



FIG. 3 is a side view thereof; and,



FIG. 4 is a top view thereof.


Broken lines are for illustrative purposes only and form no part of the claimed design.


Claims
  • The ornamental design for helicopter blade, shafts and fins, as shown and described.
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Continuations (6)
Number Date Country
Parent 29282581 Jul 2007 US
Child 29297765 US
Parent 29280187 May 2007 US
Child 29282581 US
Parent 29277652 Mar 2007 US
Child 29280187 US
Parent 29275322 Dec 2006 US
Child 29277652 US
Parent 29275323 Dec 2006 US
Child 29275322 US
Parent 29275324 Dec 2006 US
Child 29275323 US
Continuation in Parts (2)
Number Date Country
Parent 11462177 Aug 2006 US
Child 29275322 Dec 2006 US
Parent 11465781 Aug 2006 US
Child 11462177 US