Granted Patent
Utility
US 6,441,981
· Confirmation No. 5395
DISK DRIVE INCLUDING A RECORDING SURFACE EMPLOYING SERVO ZONES RECORDED AT A CHANNEL FREQUENCY DIFFERENT FROM DATA ZONES
Patented Case
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2006-06-05 | EBCC.AD |
Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update | 1 | View | |
| 2001-05-01 | TRNA |
Transmittal of New Application | 3 | View | |
| 2001-05-01 | ADS |
Application Data Sheet | 2 | View | |
| 2001-05-01 | A.PE |
Preliminary Amendment | 4 | View | |
| 2001-05-01 | SPEC |
Specification | 68 | View | |
| 2001-05-01 | CLM |
Claims | 3 | View | |
| 2001-05-01 | ABST |
Abstract | 1 | View | |
| 2001-05-01 | DRW |
Drawings-only black and white line drawings | 16 | View | |
| 2001-05-01 | OATH |
Oath or Declaration filed | 10 | View |
Inventors
Richard W. Hull
Laguna Hills, CA
Robert L. Cloke
Santa Clara, CA
Vafa J. Rakshani
Laguna Beach, CA
David P. Turner
Los Gatos, CA
Attorneys & Agents of Record
Classification
USPC
360/51
G11B20/10055
G11B5/5965
G11B20/10009
G11B20/10037
G11B20/1217
G11B20/1258
G11B20/1403
G11B27/3027
G11B2020/10888
G11B2020/1232
G11B2020/1267
G11B2020/1275
G11B2020/1282
G11B2020/1287
G11B2020/1292
G11B2220/20
G11B2220/2516
Prosecution
- Examiner
- HOLDER, REGINA NEAL
- Art Unit
- 2651
- Customer No.
- 35219
- Docket No.
- K35A0813
- Confirmation No.
- 5395
Patent Term Adjustment
-111days
RELEASE OF SECURITY INTEREST AT REEL 038744 FRAME 0481
Recorded 2022-02-08
RELEASE OF SECURITY INTEREST
Recorded 2018-03-05
SECURITY AGREEMENT
Recorded 2016-05-17
SECURITY AGREEMENT
Recorded 2016-05-17
SECURITY AGREEMENT
Recorded 2016-05-17
RELEASE OF SECURITY INTEREST
Recorded 2008-09-09
THIRD AMENDNMENT TO PATENT, TRADEMARK AND COPYRIGHT SECURITY AGREEMENT
Recorded 2001-07-30
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Quick Facts
- Patent No.
- US 6,441,981
- App. No.
- 09/846,056
- Filed
- 2001-05-01
- Granted
- 2002-08-27
- Examiner
- HOLDER, REGINA NEAL
- Art Unit
- 2651
- PTA
- -111 days
External Links