TREA

High efficiency hub for pressure jet helicopters

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Information

  • Patent Grant
  • D669012
  • Patent Number
    D669,012
  • Date Filed
    Thursday, December 22, 2011
    13 years ago
  • Date Issued
    Tuesday, October 16, 2012
    12 years ago
  • US Classifications
    Field of Search
    • US
    • D12 327
    • D12 326
    • D12 328
    • D12 329
    • D12 345
    • D12 194
    • 244 017110
    • 244 017190
    • 244 017230
    • 244 017250
    • 074 522000
    • 416 114000
    • D23 377
    • D21 827
    • D21 583
    • D21 558
    • D21 453
    • D21 442
    • D15 5
  • International Classifications
    • 1207
    • Term of Grant
      14Years
      Disclaimer
      This patent is subject to a terminal disclaimer.
Information
Abstract
Description


FIG. 1 is a perspective view of a high efficiency hub for pressure jet helicopters showing the new design;



FIG. 2 is a side view thereof;



FIG. 3 is a end view thereof;



FIG. 4 is a top view thereof; and,



FIG. 5 is a bottom end view thereof.


The broken lines shown in the drawings represent portions of the high efficiency hub for pressure jet helicopters that form no part of the claimed design.


Claims
  • The ornamental design for a high efficiency hub for pressure jet helicopters, as shown and described.
US Referenced Citations (19)
Number Name Date Kind
D179320 Russell Nov 1956 S
3940097 Wilson et al. Feb 1976 A
D254904 Swearingen May 1980 S
D256909 Leibin et al. Sep 1980 S
4713933 Bandera Dec 1987 A
D357665 Creyts Apr 1995 S
D453774 Garcia Feb 2002 S
D453917 Sehgal Feb 2002 S
D501442 Hutchinson Feb 2005 S
D513618 Bender Jan 2006 S
D514591 Bender Feb 2006 S
D533189 Bender Dec 2006 S
D533191 Bender Dec 2006 S
7244102 Delucis Jul 2007 B2
D583297 Van De Rostyne et al. Dec 2008 S
7703573 Feight et al. Apr 2010 B2
D627369 Troxell Nov 2010 S
7871034 Karem Jan 2011 B2
D637206 Luxon et al. May 2011 S