Patent Application
Utility
App. No. 09/790,613
· Confirmation No. 2166
Recording equalizer and magnetic recording/reproducing apparatus using the equalizer
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2001-02-23 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-02-23 | A.PE |
Preliminary Amendment | 2 | View | |
| 2001-02-23 | SPEC |
Specification | 19 | View | |
| 2001-02-23 | CLM |
Claims | 3 | View | |
| 2001-02-23 | ABST |
Abstract | 1 | View | |
| 2001-02-23 | DRW |
Drawings-only black and white line drawings | 3 | View | |
| 2001-02-23 | OATH |
Oath or Declaration filed | 3 | View | |
| 2001-02-23 | LET. |
Miscellaneous Incoming Letter | 1 | View |
Inventors
Masukazu Igarashi
Kawagoe-shi, JAPAN
Yohji Maruyama
Iruma-shi, JAPAN
Kazuetsu Yoshida
Hidaka-shi, JAPAN
Ikuo Saitoh
Kawasaki-shi, JAPAN
Attorneys & Agents of Record
Classification
USPC
360/51
G11B20/10194
G11B20/14
G11B2005/001
G11B2005/0016
G11B2020/10981
G11B20/10055
G11B5/035
G11B5/09
G11B20/10009
Prosecution
- Examiner
- FABER, ALAN
- Art Unit
- 2651
- Customer No.
- 23838
- Docket No.
- 29284/530
- Confirmation No.
- 2166
Foreign Priority
09-141826
·
1997-05-30
·
JAPAN
Publication
- Pub. No.
- US20010007516A1
- Pub. Date
- 2001-07-12
Patent Term Adjustment
-54days
Parent
is a Continuation of
→
App. 09/085,860
· US 6,212,024
Filed 1998-05-28
· Patented Case
Child
is a Continuation of
→
App. 10/231,089
· US 6,549,355
Filed 2002-08-30
· Patented Case
Child
is a Continuation of
→
App. 10/388,466
· US 6,728,051
Filed 2003-03-17
· Patented Case
Child
is a Continuation of
→
App. 10/079,492
· US 6,487,031
Filed 2002-02-22
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
from
HITACHI, LTD.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2003-10-31
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Quick Facts
- App. No.
- 09/790,613
- Filed
- 2001-02-23
- Granted
- 2002-03-12
- Pub. No.
- US20010007516A1
- Examiner
- FABER, ALAN
- Art Unit
- 2651
- PTA
- -54 days
External Links