PTO
Wrapper
PDF
|
Dossier
Espace
Google
|
|
Patent
D661717
|
Priority
Jan 05 2012
|
Filed
Jan 05 2012
|
Issued
Jun 12 2012
|
Expiry
Jun 12 2026
|
|
Assg.orig
|
|
Entity
unknown
|
1
|
25
|
n/a
|
|
|
The ornamental design for the high-yield ladle bottom, as shown and described.
|
FIG. 1 is a top, perspective view of a high-yield ladle bottom;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a left end view thereof;
FIG. 5 is a right end view thereof;
FIG. 6 is a back elevational view thereof; and,
FIG. 7 is a bottom view thereof.
Barrett, Ronald, Abrino, Donald
Patent |
Priority |
Assignee |
Title |
3352465, |
|
|
|
3516478, |
|
|
|
3603050, |
|
|
|
4360133, |
Jan 31 1980 |
Hainaut-Sambre S.A. |
Apparatus for pouring molten steel |
4601415, |
Sep 21 1984 |
TETRON, INC , 31269 VERONA DRIVE, FARMINGTON HILLS, MICHIGAN 48018, A CORP OF MICHIGAN |
Vortex inhibitor for molten metal discharge |
4709903, |
May 08 1986 |
|
Slag retaining device for use in converters, ladles, or the like |
4746102, |
Mar 20 1987 |
Bethlehem Steel Corporation |
Drain hole design for ladle |
4968007, |
Oct 02 1989 |
AJF, Inc. |
Anti-slag, anti-vortex tundish measurement apparatus |
5171513, |
May 12 1992 |
USX Corporation |
Refractory article for preventing vortexing in a metallurgical vessel |
5196051, |
Jul 19 1991 |
API TECHNOLOGIES, INC , A CORP OF DE |
Ladle and method for draining liquid metal with improved yield |
5382003, |
Dec 08 1992 |
GUTHRIE RESEARCH ASSOCIATES INC |
Flow control device for the suppression of vortices |
5879616, |
Jan 22 1996 |
Harbison-Walker Refractories Company |
Metallurgical vessel and method of using the same |
5948349, |
Nov 17 1989 |
Sollac; LaFarge Refractaires Monolithiques |
Ladle for the preparation of metal provided with a refractory bottom lining and method for producing said refractory bottom lining |
6673306, |
Apr 13 2001 |
NORTH AMERICAN REFRACTORIES CO |
Refractory lining for metallurgical vessel |
6723275, |
Jan 16 2001 |
Tetron, Inc. |
Vortex inhibitor with sacrificial rod |
6787098, |
Apr 13 2001 |
North American Refractories Co. |
Refractory lining for metallurgical vessel |
7112300, |
Feb 05 2002 |
Vesuvius USA Corporation |
Ladle bottom |
8110142, |
Feb 18 2008 |
HARBISONWALKER INTERNATIONAL, INC |
High yield ladle bottoms |
20020153645, |
|
|
|
20050127582, |
|
|
|
20070029708, |
|
|
|
20070132162, |
|
|
|
20090166387, |
|
|
|
RE35597, |
Dec 14 1994 |
USX Corporation |
Refractory article for preventing vortexing in a metallurgical vessel |
RE37417, |
Oct 02 1991 |
Tetron, Inc. |
Vortex inhibitor for molten metal discharge |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Dec 13 2011 | ABRINO, DONALD | NORTH AMERICAN REFRACTORIES CO | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 027481 | /0449 |
pdf |
Dec 13 2011 | BARRETT, RONALD | NORTH AMERICAN REFRACTORIES CO | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 027481 | /0449 |
pdf |
Jan 05 2012 | | North American Refractories Company | (assignment on the face of the patent) | | / |
Dec 23 2015 | NORTH AMERICAN REFRACTORIES CO | APGI, LLC | MERGER SEE DOCUMENT FOR DETAILS | 062325 | /0647 |
pdf |
Dec 23 2015 | APGI, LLC | A P GREEN REFRACTORIES, INC | MERGER SEE DOCUMENT FOR DETAILS | 062325 | /0736 |
pdf |
Dec 30 2015 | A P GREEN REFRACTORIES, INC | HARBISONWALKER INTERNATIONAL, INC | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 062338 | /0884 |
pdf |
May 24 2023 | HARBISONWALKER INTERNATIONAL HOLDINGS, INC | THE BANK OF NEW YORK MELLON TRUST COMPANY, N A | NOTES PATENT SECURITY AGREEMENT | 063784 | /0481 |
pdf |
May 24 2023 | HARBISONWALKER INTERNATIONAL, INC | BNP PARIBAS | BNPP PATENT SECURITY AGREEMENT | 063784 | /0283 |
pdf |
May 24 2023 | HARBISONWALKER INTERNATIONAL HOLDINGS, INC | BNP PARIBAS | BNPP PATENT SECURITY AGREEMENT | 063784 | /0283 |
pdf |
May 24 2023 | HARBISONWALKER INTERNATIONAL MINERALS, INC | BNP PARIBAS | BNPP PATENT SECURITY AGREEMENT | 063784 | /0283 |
pdf |
May 24 2023 | HARBISONWALKER INTERNATIONAL MINERALS, INC | JPMORGAN CHASE BANK, N A | SECURITY AGREEMENT | 063783 | /0851 |
pdf |
May 24 2023 | HARBISONWALKER INTERNATIONAL HOLDINGS, INC | JPMORGAN CHASE BANK, N A | SECURITY AGREEMENT | 063783 | /0851 |
pdf |
May 24 2023 | HARBISONWALKER INTERNATIONAL, INC | THE BANK OF NEW YORK MELLON TRUST COMPANY, N A | NOTES PATENT SECURITY AGREEMENT | 063784 | /0481 |
pdf |
May 24 2023 | HARBISONWALKER INTERNATIONAL MINERALS, INC | THE BANK OF NEW YORK MELLON TRUST COMPANY, N A | NOTES PATENT SECURITY AGREEMENT | 063784 | /0481 |
pdf |
May 24 2023 | HARBISONWALKER INTERNATIONAL, INC | JPMORGAN CHASE BANK, N A | SECURITY AGREEMENT | 063783 | /0851 |
pdf |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a