Lifting foil
United States Patent D516994

Houck II, Ronald G. (The Wharf, 3464 New Germany Trebein Rd., Dayton, OH, US)
Application Number:
Publication Date:
Filing Date:
Primary Class:
International Classes:
(IPC1-7): 1212
Field of Search:
244/45R, 244/13, D12/319-345, 244/45A
View Patent Images:
US Patent References:
D488426AirplaneApril, 2004HallD12/319
D486776Aircraft designFebruary, 2004CarrD12/319
20030201363Aircraft internal wing and designOctober, 2003Carr
D459286Ducted fan aircraftJune, 2002Miralles et al.D12/319

Primary Examiner:
Jackson, Marcus A.
Attorney, Agent or Firm:
Donahue, John W.

1. The ornamental design for a lifting foil, as shown and described.


FIG. 1 is a perspective view of a lifting foil embodying my new design, as seen from an observing position located upwardly, forward and on the port side thereof;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is an elevation view taken from the port side thereof;

FIG. 5 is an elevation view taken from the starboard side thereof;

FIG. 6 is a top plan view; and,

FIG. 7 is a bottom plan view.