Granted Patent
Utility
US 6,757,498
· Confirmation No. 7767
WDM OPTICAL NETWORK WITH PASSIVE PASS-THROUGH AT EACH NODE
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2004-04-22 | IFEE |
Issue Fee Payment (PTO-85B) | 3 | View | |
| 2003-05-06 | TRNA |
Transmittal of New Application | 3 | View | |
| 2003-05-06 | SPEC |
Specification | 15 | View | |
| 2003-05-06 | CLM |
Claims | 5 | View | |
| 2003-05-06 | ABST |
Abstract | 1 | View | |
| 2002-12-20 | TRNA |
Transmittal of New Application | 5 | View | |
| 2002-12-20 | A.PE |
Preliminary Amendment | 7 | View | |
| 2002-12-20 | SPEC |
Specification | 15 | View | |
| 2002-12-20 | CLM |
Claims | 5 | View | |
| 2002-12-20 | ABST |
Abstract | 1 | View | |
| 2002-12-20 | DRW |
Drawings-only black and white line drawings | 12 | View | |
| 2002-12-20 | OATH |
Oath or Declaration filed | 3 | View |
Inventors
David Milton
Kanata, CANADA
Tomas Valis
Ottawa, CANADA
Gino Totti
Kanata, CANADA
Kexing Liu
Nepean, CANADA
Michel Pigeon
Nepean, CANADA
Attorneys & Agents of Record
Classification
USPC
398/79
H04J14/0291
H04J14/0206
H04J14/0209
H04J14/0213
H04J14/0226
H04J14/0227
H04J14/0241
H04J14/0246
H04J14/025
H04J14/028
H04J14/0282
H04J14/0283
H04J14/0284
H04J14/0289
H04J14/0298
H04Q11/0062
Prosecution
- Examiner
- NEGASH, KINFE MICHAEL
- Art Unit
- 2633
- Customer No.
- 21498
- Docket No.
- 57983.000110
- Confirmation No.
- 7767
Publication
- Pub. No.
- US20030161635A1
- Pub. Date
- 2003-08-28
Patent Term Adjustment
0days
from
CIENA CORPORATION
PATENT SECURITY AGREEMENT
Recorded 2019-11-08
RELEASE OF SECURITY INTEREST
Recorded 2019-10-30
from
CIENA CORPORATION
PATENT SECURITY AGREEMENT
Recorded 2014-07-16
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2010-04-19
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2010-04-09
RELEASE OF PATENT SECURITY AGREEMENT
Recorded 2006-07-12
SECURITY AGREEMENT
Recorded 2006-02-22
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Quick Facts
- Patent No.
- US 6,757,498
- App. No.
- 10/323,682
- Filed
- 2002-12-20
- Granted
- 2004-06-29
- Pub. No.
- US20030161635A1
- Examiner
- NEGASH, KINFE MICHAEL
- Art Unit
- 2633
- PTA
- 0 days
External Links