Granted Patent
Utility
US 6,642,790
· Confirmation No. 4920
DIFFERENTIAL, COMPLEMENTARY AMPLIFIER
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2011-03-14 | EBCC.AD |
Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update | 1 | View | |
| 2003-09-08 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2002-04-15 | TRNA |
Transmittal of New Application | 2 | View | |
| 2002-04-15 | SPEC |
Specification | 23 | View | |
| 2002-04-15 | CLM |
Claims | 10 | View | |
| 2002-04-15 | ABST |
Abstract | 1 | View | |
| 2002-04-15 | DRW |
Drawings-only black and white line drawings | 4 | View | |
| 2002-04-15 | OATH |
Oath or Declaration filed | 2 | View |
Inventors
Karl Schrodinger
Berlin, GERMANY
Jaro Stimma
Berlin, GERMANY
Attorneys & Agents of Record
Classification
USPC
330/253
H03F3/45251
H03F3/45237
H03F3/4565
H03F2203/45418
H03F2203/45458
H03F2203/45476
H03F2203/45631
Prosecution
- Examiner
- NGUYEN, KHANH V
- Art Unit
- 2817
- Customer No.
- 11846
- Docket No.
- F1002.12075US01
- Confirmation No.
- 4920
Foreign Priority
100 42 170.9
·
2000-08-15
·
GERMANY
Publication
- Pub. No.
- US20020149427A1
- Pub. Date
- 2002-10-17
Patent Term Adjustment
-39days
II-VI INCORPORATED,
MARLOW INDUSTRIES, INC.,
EPIWORKS, INC.,
LIGHTSMYTH TECHNOLOGIES, INC.,
KAILIGHT PHOTONICS, INC.,
COADNA PHOTONICS, INC.,
OPTIUM CORPORATION,
FINISAR CORPORATION,
II-VI OPTICAL SYSTEMS, INC.,
M CUBED TECHNOLOGIES, INC.,
II-VI PHOTONICS (US), INC.,
II-VI DELAWARE, INC.,
II-VI OPTOELECTRONIC DEVICES, INC.,
PHOTOP TECHNOLOGIES, INC.
PATENT RELEASE AND REASSIGNMENT
Recorded 2022-07-05
from
COHERENT, INC.,
II-VI DELAWARE, INC.,
II-VI INCORPORATED,
II-VI PHOTONICS (US), INC.,
M CUBED TECHNOLOGIES, INC.,
PHOTOP TECHNOLOGIES, INC.
SECURITY INTEREST
Recorded 2022-07-01
from
COADNA PHOTONICS, INC.,
EPIWORKS, INC.,
FINISAR CORPORATION,
II-VI DELAWARE, INC.,
II-VI INCORPORATED,
II-VI OPTICAL SYSTEMS, INC.,
II-VI OPTOELECTRONIC DEVICES, INC.,
II-VI PHOTONICS (US), INC.,
KAILIGHT PHOTONICS, INC.,
LIGHTSMYTH TECHNOLOGIES, INC.,
M CUBED TECHNOLOGIES, INC.,
MARLOW INDUSTRIES, INC.,
OPTIUM CORPORATION,
PHOTOP TECHNOLOGIES, INC.
NOTICE OF GRANT OF SECURITY INTEREST IN PATENTS
Recorded 2019-09-25
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2006-04-05
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2003-09-08
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Quick Facts
- Patent No.
- US 6,642,790
- App. No.
- 10/122,628
- Filed
- 2002-04-15
- Granted
- 2003-11-04
- Pub. No.
- US20020149427A1
- Examiner
- NGUYEN, KHANH V
- Art Unit
- 2817
- PTA
- -39 days
External Links