Granted Patent
Utility
US 6,641,901
· Confirmation No. 6775
PERPENDICULAR-MAGNETIC RECORDING MEDIA AND MAGNETIC RECORDING APPARATUS
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2003-08-22 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2003-01-13 | TRNA |
Transmittal of New Application | 3 | View | |
| 2003-01-13 | A.PE |
Preliminary Amendment | 3 | View | |
| 2003-01-13 | SPEC |
Specification | 23 | View | |
| 2003-01-13 | CLM |
Claims | 4 | View | |
| 2003-01-13 | ABST |
Abstract | 1 | View | |
| 2003-01-13 | DRW |
Drawings-only black and white line drawings | 3 | View | |
| 2003-01-13 | OATH |
Oath or Declaration filed | 4 | View |
Inventors
Attorneys & Agents of Record
Classification
USPC
428/212
G11B5/674
Y10T428/12861
Y10T428/24942
Y10T428/31678
Prosecution
- Examiner
- UHLIR, NIKOLAS J
- Art Unit
- 1773
- Confirmation No.
- 6775
Foreign Priority
2000-163150
·
2000-05-29
·
JAPAN
Publication
- Pub. No.
- US20030143433A1
- Pub. Date
- 2003-07-31
Patent Term Adjustment
0days
Parent
is a Continuation of
→
App. 09/811,471
· US 6,528,149
Filed 2001-03-20
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
is a Continuation of
→
App. 10/645,584
· US 6,852,398
Filed 2003-08-22
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
RELEASE OF SECURITY INTEREST AT REEL 052915 FRAME 0566
Recorded 2022-02-08
SECURITY INTEREST
Recorded 2020-02-06
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2016-12-05
from
HITACHI, LTD.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2005-01-27
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Quick Facts
- Patent No.
- US 6,641,901
- App. No.
- 10/340,597
- Filed
- 2003-01-13
- Granted
- 2003-11-04
- Pub. No.
- US20030143433A1
- Examiner
- UHLIR, NIKOLAS J
- Art Unit
- 1773
- PTA
- 0 days
External Links