Screw pump

Information

  • Patent Grant
  • D657799
  • Patent Number
    D657,799
  • Date Filed
    Friday, March 5, 2010
    14 years ago
  • Date Issued
    Tuesday, April 17, 2012
    12 years ago
  • US Classifications
    Field of Search
    • US
    • D15 7- 9
    • D23 231
    • D23 232
    • 417 410100
    • 417 359000
    • 417 415-416
    • 417 234000
    • 417 321000
    • 417 265000
    • 417 405000
  • International Classifications
    • 1502
    • Term of Grant
      14Years
Abstract
Description


FIG. 1 is a front, right, top perspective view of a first embodiment of a screw pump device embodying our design;



FIG. 2 is rear, left, bottom perspective view of the screw pump shown in FIG. 1;



FIG. 3 is a right side view of the screw pump shown in FIG. 1;



FIG. 4 is a left side view of the screw pump shown in FIG. 1;



FIG. 5 is a top view of the screw pump shown in FIG. 1;



FIG. 6 is a bottom view of the screw pump shown in FIG. 1;



FIG. 7 is a front view of the screw pump shown in FIG. 1; and,



FIG. 8 is a rear view of the screw pump shown in FIG. 1.


Claims
  • The ornamental design for a screw pump, as shown and described.
Priority Claims (3)
Number Date Country Kind
001610627-0001 Sep 2009 EM regional
001610627-0002 Sep 2009 EM regional
001610627-0003 Sep 2009 EM regional
US Referenced Citations (7)
Number Name Date Kind
D501486 Leone et al. Feb 2005 S
D516583 Strong Mar 2006 S
D565600 Tazioli Apr 2008 S
D590842 Clark et al. Apr 2009 S
D604745 Sinico Nov 2009 S
D609595 Soderstrom Feb 2010 S
D619624 Iwagoshi et al. Jul 2010 S