Granted Patent
Utility
US 6,593,397
· Confirmation No. 2318
FURAN NO-BAKE FOUNDRY BINDERS AND THEIR USE
Inventor:
Ken K. Chang
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2014-05-30 | OATH |
Oath or Declaration filed | 19 | View | |
| 2014-05-09 | OATH |
Oath or Declaration filed | 46 | View | |
| 2002-09-10 | TRNA |
Transmittal of New Application | 3 | View | |
| 2002-09-10 | SPEC |
Specification | 14 | View | |
| 2002-09-10 | CLM |
Claims | 3 | View | |
| 2002-09-10 | ABST |
Abstract | 1 | View | |
| 2002-09-10 | OATH |
Oath or Declaration filed | 3 | View | |
| 2002-09-10 | LET. |
Miscellaneous Incoming Letter | 1 | View |
Inventors
Ken K. Chang
Dublin, OH
Classification
USPC
523/144
B22C1/224
Prosecution
- Examiner
- KOLB, KATARZYNA I
- Art Unit
- 1714
- Docket No.
- 5650A
- Confirmation No.
- 2318
Publication
- Pub. No.
- US20030036583A1
- Pub. Date
- 2003-02-20
Patent Term Adjustment
0days
RELEASE OF SECURITY INTEREST
Recorded 2024-11-04
from
ASK CHEMICALS L.P.
SECURITY INTEREST
Recorded 2017-06-23
RELEASE OF SECURITY INTEREST
Recorded 2017-05-18
from
ASK CHEMICALS LP
SECURITY AGREEMENT SUPPLEMENT
Recorded 2014-10-09
CORRECTIVE ASSIGNMENT TO REMOVE PATENT NUMBER 6763859 PREVIOUSLY RECORDED AT REEL: 025622 FRAME: 0222. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Recorded 2014-05-30
from
ASHLAND INC.
CORRECTIVE ASSIGNMENT TO CORRECT THE REMOVE PATENT NUMBER 6763859 PREVIOUSLY RECORDED ON REEL 016408 FRAME 0950. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Recorded 2014-05-09
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2011-01-12
PARTIAL RELEASE OF PATENT SECURITY AGREEMENT
Recorded 2010-12-02
from
ASHLAND INC.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2005-08-17
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Quick Facts
- Patent No.
- US 6,593,397
- App. No.
- 10/238,176
- Filed
- 2002-09-10
- Granted
- 2003-07-15
- Pub. No.
- US20030036583A1
- Examiner
- KOLB, KATARZYNA I
- Art Unit
- 1714
- PTA
- 0 days
External Links