Patent
   D513013
Priority
Dec 17 2003
Filed
Jun 17 2004
Issued
Dec 20 2005
Expiry
Dec 20 2019
Assg.orig
Entity
unknown
1
12
n/a
The ornamental design for a spiral wing shaft for mixers, as shown and described.

FIG. 1 is a front view of a spiral wing shaft for mixers showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a cross-sectional view taken along line 7—7 in FIG. 1; and,

FIG. 8 is a cross-sectional view taken along line 8—8 in FIG. 1.

Kuroda, Yoshihiro, Fujiki, Terumi, Miyagaki, Hiroki

Patent Priority Assignee Title
D710397, Apr 15 2013 Officine Meccaniche Galletti O.M.G. Srl; OFFICINE MECCANICHE GALLETTI O M G SRL Mixing blade for a mixer for concrete, mortar, powders, dry or semi-dry granulates, mixtures with a cement base or similar or comparable mixtures
Patent Priority Assignee Title
1699230,
2495379,
3327634,
3372910,
3897723,
4157872, Apr 10 1978 Mixing-tank trailer
4188127, Nov 06 1978 London Concrete Machinery Co. Mixing blades of concrete mixing drums
4448536, Aug 09 1982 Concrete mixer device
6149291, Apr 27 1999 MCNEILUS TRUCK AND MANUFACTURING, INC Concrete mixing drum fin structure
912125,
D287132, Feb 15 1985 Blade for soil mixer
DE19703495,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 17 2004Kitagawa Iron Works Co. Ltd.(assignment on the face of the patent)
Jul 27 2004FUJIKI, TERUMIKABUSHIKI KAISHA KITAGAWA TEKKOSHO A K A KITAGAWA IRON WORKS CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0149330054 pdf
Jul 27 2004KURODA, YOSHIHIROKABUSHIKI KAISHA KITAGAWA TEKKOSHO A K A KITAGAWA IRON WORKS CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0149330054 pdf
Jul 27 2004MIYAGAKI, HIROKIKABUSHIKI KAISHA KITAGAWA TEKKOSHO A K A KITAGAWA IRON WORKS CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0149330054 pdf
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