Patent
   D576539
Priority
Nov 16 2007
Filed
Nov 16 2007
Issued
Sep 09 2008
Expiry
Sep 09 2022
Assg.orig
Entity
unknown
11
3
n/a
We claim the ornamental design for a screw propeller, as shown and described.

FIG. 1 is a top, front perspective view of a screw propeller showing our invention;

FIG. 2 is a bottom, front perspective view of the screw propeller of FIG. 1;

FIG. 3 is a front view of the screw propeller of FIG. 1;

FIG. 4 is a rear view of the screw propeller of FIG. 1;

FIG. 5 is an enlarged right side view of the screw propeller of FIG. 1;

FIG. 6 is a left side view of the screw propeller of FIG. 1;

FIG. 7 is a greatly enlarged top view of the screw propeller of FIG. 1; and,

FIG. 8 is a greatly enlarged bottom view of the screw propeller of FIG. 1;

Tymark, Tatjana, Vågman, Anna, Strinning, Per

Patent Priority Assignee Title
10260479, Apr 28 2015 MORIARTY, DONALD E Vortex propeller
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D649924, Feb 17 2010 CONSOLIDATED OCEAN TECHNOLOGIES, INC Buoyancy engine module for an unmanned underwater vehicle
D696705, Sep 14 2012 SULZER MANAGEMENT AG Submersible mixer
D697101, Sep 14 2012 SULZER MANAGEMENT AG Submersible mixer
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D818414, Nov 30 2016 Vortex propeller
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D869368, Nov 21 2017 CIXI LUOSAIFEI KAYAK CO., LTD Quarter-twist pedal propeller
D897264, Nov 20 2017 XYLEM EUROPE GMBH Screw propeller
D959569, May 27 2016 SPIN MASTER, INC Propeller for a toy
Patent Priority Assignee Title
1418991,
2905131,
D459285, Jan 20 2001 EMU Unterwasserpumpen GmbH Propeller
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 16 2007ITT Manufacturing Enterprises Inc.(assignment on the face of the patent)
Feb 05 2008TYMARK, TATJANAITT MANUFACTURING ENTERPRISES INCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0204920484 pdf
Feb 05 2008STRINNING, PERITT MANUFACTURING ENTERPRISES INCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0204920484 pdf
Feb 11 2008VAGMAN, ANNAITT MANUFACTURING ENTERPRISES INCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0204920484 pdf
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