Process for the treatment of high-grade steel strips
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 27, 1999
Grant Date -
N/A
app pub date -
Jan 30, 1997
filing date -
Feb 2, 1996
priority date (Note) -
Expired
status (Latency Note)
![]() |
A preliminary load of PAIR data current through [] has been loaded. Any more recent PAIR data will be loaded within twenty-four hours. |
PAIR data current through []
A preliminary load of cached data will be loaded soon.
Any more recent PAIR data will be loaded within twenty-four hours.
![]() |
Next PAIR Update Scheduled on [ ] |

Importance

US Family Size
|
Non-US Coverage
|
Patent Longevity
|
Forward Citations
|
Abstract
A process and a system for removing scale from the surface of high-grade steel strip in installations for the production of pickled hot strip and cold strip. The twofold descaling process combines an electrolytic pickling process with and ultrasonic cleaning of the strip surface.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
MANNESMANN AKTIENGESELLSCHAFT | 40213 DÜSSELDORF |
International Classification(s)

- 1997 Application Filing Year
- C25F Class
- 51 Applications Filed
- 25 Patents Issued To-Date
- 49.02 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Haentjes, Michael | Essen, DE | 7 | 15 |
# of filed Patents : 7 Total Citations : 15 | |||
Pempera, Franz Gerhard | Aachen, DE | 2 | 8 |
# of filed Patents : 2 Total Citations : 8 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 2 Citation Count
- C25F Class
- 2.78 % this patent is cited more than
- 26 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

Legal Events
Date | Code | Event | Description |
---|---|---|---|
Apr 29, 2015 | FPAY | FEE PAYMENT | year of fee payment: 12 |
Apr 22, 2011 | FPAY | FEE PAYMENT | year of fee payment: 8 |
Mar 20, 2007 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Dec 03, 2003 | FEPP | FEE PAYMENT PROCEDURE | free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Nov 11, 2003 | I | Issuance | |
Oct 23, 2003 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Feb 21, 2002 | F | Filing | |
Feb 21, 2002 | PD | Priority Date | |
Jan 23, 2002 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:YU, BIN;PATON, ERIC N.;REEL/FRAME:012624/0938 Owner name: ADVANCED MICRO DEVICES, INC., CALIFORNIA Effective Date: Jan 23, 2002 |

Matter Detail

Renewals Detail
