IP Library › Granted Patent US 6,768,579
Granted Patent Utility
US 6,768,579 · Confirmation No. 7705

OPTICAL AMPLIFIER ARRANGEMENT HAVING A VARIABLY SETTABLE ATTENUATOR

Inventor: Peter Krummrich
Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2014-04-07 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-04-07 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-03-26 PA.. Power of Attorney 1 View
2014-03-26 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2014-03-26 N417 Electronic Filing System Acknowledgment Receipt 2 View
2004-06-14 IFEE Issue Fee Payment (PTO-85B) 2 View
2001-08-20 TRNA Transmittal of New Application 5 View
2001-08-20 SPEC Specification 17 View
2001-08-20 CLM Claims 5 View
2001-08-20 ABST Abstract 1 View
2001-08-20 DRW Drawings-only black and white line drawings 4 View
2001-08-20 OATH Oath or Declaration filed 3 View
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
Patent No.
US 6,768,579
App. No.
09/934,137
Filed
2001-08-20
Granted
2004-07-27
Pub. No.
US20020093727A1
Art Unit
3663
PTA
-121 days