IP Library › Granted Patent US 6,649,496
Granted Patent Utility PCT National Stage
US 6,649,496 · Confirmation No. 4953

PRODUCTION METHOD FOR SEMICONDUCTOR CRYSTAL

Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2020-02-20 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2020-02-20 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2020-02-14 PA.. Power of Attorney 1 View
2020-02-14 R3.73 Assignee showing of ownership per 37 CFR 3.73 6 View
2020-02-14 N417 Electronic Filing System Acknowledgment Receipt 2 View
2014-08-19 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-08-19 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-07-25 PA.. Power of Attorney 1 View
2014-07-25 MFEE.C.AD Maintenance Fee Address Change 1 View
2014-07-25 N417 Electronic Filing System Acknowledgment Receipt 2 View
2014-07-25 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2003-08-08 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-08-08 C.AD Change of Address 1 View
2003-08-08 OATH Oath or Declaration filed 3 View
2003-05-28 PA.. Power of Attorney 4 View
2001-11-21 TRNA Transmittal of New Application 2 View
2001-11-21 SPEC Specification 18 View
2001-11-21 CLM Claims 1 View
2001-11-21 ABST Abstract 1 View
2001-11-21 DRW Drawings-only black and white line drawings 3 View
2001-11-21 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 6,649,496
App. No.
09/979,258
Filed
2001-11-21
Granted
2003-11-18
Pub. No.
US20020160605A1
Art Unit
2813
PTA
-123 days