Patent Application
Utility
App. No. 09/838,127
· Confirmation No. 2920
METHOD AND APPARATUS FOR RECORDING AND REPRODUCING DISK-TYPE RECORDING MEDIUM WITH DUAL HEAD INCLUDING READING HEAD AND WRITING HEAD HAVING OFFSET CORES
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2001-04-20 | TRNA |
Transmittal of New Application | 4 | View | |
| 2001-04-20 | A.PE |
Preliminary Amendment | 4 | View | |
| 2001-04-20 | SPEC |
Specification | 75 | View | |
| 2001-04-20 | CLM |
Claims | 8 | View | |
| 2001-04-20 | ABST |
Abstract | 1 | View | |
| 2001-04-20 | DRW |
Drawings-only black and white line drawings | 37 | View | |
| 2001-04-20 | OATH |
Oath or Declaration filed | 3 | View |
Inventors
Yukari Katayama
Yokohama-shi, JAPAN
Hitoshi Ogawa
Yokohama-shi, JAPAN
Motoyasu Tsunoda
Fujisawa-shi, JAPAN
Tsuneo Hirose
Odawara-shi, JAPAN
Akira Kojima
Odawara-shi, JAPAN
Eisaku Saiki
Yokohama-shi, JAPAN
Yasunori Kaneda
Yokohama-shi, JAPAN
Katsuhiro Tsuneta
Odawara-shi, JAPAN
Shoichi Miyazawa
Yokohama-shi, JAPAN
Terumi Takashi
Odawara-shi, JAPAN
Attorneys & Agents of Record
Classification
USPC
360/77.04
Prosecution
- Examiner
- FABER, ALAN
- Art Unit
- 2651
- Customer No.
- 20457
- Docket No.
- 500.32452VC3
- Confirmation No.
- 2920
Foreign Priority
04-257781
·
1992-09-28
·
JAPAN
05-014781
·
1993-02-01
·
JAPAN
05-118593
·
1993-05-20
·
JAPAN
Publication
- Pub. No.
- US20020021517A1
- Pub. Date
- 2002-02-21
Patent Term Adjustment
0days
Parent
is a Continuation of
→
App. 09/641,772
· US 6,236,528
Filed 2000-08-21
· Patented Case
Parent
is a Continuation of
→
App. 08/858,460
· US 6,108,158
Filed 1997-05-19
· Patented Case
Parent
is a Continuation of
→
App. 08/128,072
· US 5,715,105
Filed 1993-09-28
· 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.
- 09/838,127
- Filed
- 2001-04-20
- Granted
- 2002-06-04
- Pub. No.
- US20020021517A1
- Examiner
- FABER, ALAN
- Art Unit
- 2651
- PTA
- 0 days
External Links