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Patent
   D877783
Priority
Apr 17 2018
Filed
Apr 17 2018
Issued
Mar 10 2020
Expiry
Mar 10 2035
Inventors
Smith, Jus…
Assg.orig
J & J HOLD…
Assg.curr
SHOCK THER…
Entity
unknown
Referenced by
8
References
29
Maint.:
n/a
The ornamental design for a helical gear, as shown and described.

FIG. 1 is a first perspective view of a helical gear showing my new design;

FIG. 2 is a second perspective view of the helical gear;

FIG. 3 is a front view of the helical gear;

FIG. 4 is a top view of the helical gear; and,

FIG. 5 is a bottom view of the helical gear.
INVENTORS:

Smith, Justin

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
ER2139,
ER2490,
ER3954,
ER4792,
ER6820,
ER7619,
ER7965,
ER8014,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
10271879, Sep 15 2015 Warsaw Orthopedic, Inc.; Warsaw Orthopedic, Inc Surgical instrument and methods of use
3397590,
4372176, Sep 22 1980 Tapered tooth helical gear drive train for eliminating the need for end thrust bearings
4514119, Oct 26 1982 Mitsubishi Jukogyo Kabushiki Kaisha Method of shaping a helical gear
4548562, Sep 07 1982 Ford Motor Company Helical gear pump with specific helix angle, tooth contact length and circular base pitch relationship
5108275, Dec 17 1990 Rotary pump having helical gear teeth with a small angle of wrap
5291811, May 14 1992 TEXTRON IPMP L P Back-side taper wedging drive system
6156265, Aug 19 1996 SUMITOMO ELECTRIC SINTERED ALLOY, LTD Powder compacting apparatus and method of forming helical gear wheel using said powder compacting apparatus
6978105, Jan 26 2002 PARK & OPC CO , LTD Drum assembly having helical gear and spur gear spaced therebetween for use in printer
7347076, May 15 2007 Korea Motor Co., Ltd. Forging method and apparatus for forming helical gear
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D578843, Sep 27 2007 Proulx Manufacturing, Inc. Flexible cutting line for rotary trimmers
D579285, Nov 26 2007 Proulx Manufacturing, Inc. Flexible cutting line for rotary trimmers
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D714122, Feb 08 2013 Removal tool
D769690, May 10 2013 BRYCE FASTENER COMPANY, INC Combination fastener and mating driving tool
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 17 2020SMITH, JUSTINJ & J HOLDINGS AND INVESTMENTS LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0529670908 pdf
Jun 17 2020SMITH, JUSTINJ & J HOLDINGS AND INVESTMENTS LLCCORRECTIVE ASSIGNMENT TO CORRECT THE INCORRECT LISTING OF U S PATENT NO 10,030,718 AND U S PATENT NO 10,480,593 ON THE ASSIGNMENT RECORDED ON JUNE 17, 2020 PREVIOUSLY RECORDED ON REEL 052967 FRAME 0908 ASSIGNOR S HEREBY CONFIRMS THE 10,030,718 SPRAGUE CARRIER JULY 24, 201810,480,593 SPRAGUE CARRIER NOVEMBER 19, 2019 0548040952 pdf
Dec 29 2021J & J HOLDINGS AND INVESTMENTS LLCSHOCK THERAPY LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0585260948 pdf
Dec 30 2021SHOCK THERAPY LLCSHOCK THERAPY SUSPENSION, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0585370895 pdf
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