Granted Patent
Utility
Small
US 6,597,833
· Confirmation No. 2140
WAVELENGTH-DIVISION MULTIPLEXERS AND DEMULTIPLEXERS BASED ON MACH-ZEHNDER INTERFEROMETERS AND EVANESCENT COUPLING
Patented Case
View Patent ↗
Inventors
Bo Pi
Carlsbad, CA
Shulai Zhao
Encinitas, CA
Attorneys & Agents of Record
Classification
USPC
385/30
Prosecution
- Examiner
- DOAN, JENNIFER
- Art Unit
- 2874
- Customer No.
- 20985
- Docket No.
- 12227-020001/
- Confirmation No.
- 2140
Patent Term Adjustment
-147days
Parent
is a Continuation in-part of
→
App. 09/884,883
· US 6,501,875
Filed 2001-06-18
· Patented Case
Parent
is a Continuation in-part of
→
App. 09/796,373
· US 6,516,114
Filed 2001-02-27
· Patented Case
Parent
Claims priority from a provisional application
→
App. 60/280,617
Filed 2001-03-30
· Provisional Application Expired
Parent
Claims priority from a provisional application
→
App. 60/214,686
Filed 2000-06-27
· Provisional Application Expired
Parent
Claims priority from a provisional application
→
App. 60/214,589
Filed 2000-06-27
· Provisional Application Expired
Parent
Claims priority from a provisional application
→
App. 60/214,694
Filed 2000-06-27
· Provisional Application Expired
Parent
Claims priority from a provisional application
→
App. 60/235,396
Filed 2000-09-26
· Provisional Application Expired
from
IFOS, INC.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2007-05-11
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Quick Facts
- Patent No.
- US 6,597,833
- App. No.
- 09/967,850
- Filed
- 2001-09-26
- Granted
- 2003-07-22
- Examiner
- DOAN, JENNIFER
- Art Unit
- 2874
- PTA
- -147 days
External Links