Granted Patent
Utility
US 6,638,667
· Confirmation No. 9590
FABRICATING OPTICAL ELEMENTS USING A PHOTORESIST FORMED USING OF A GRAY LEVEL MASK
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2014-07-01 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2014-07-01 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2013-12-16 | EBCC.AD |
Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update | 1 | View | |
| 2003-08-19 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2002-06-03 | TRNA |
Transmittal of New Application | 2 | View | |
| 2002-06-03 | SPEC |
Specification | 21 | View | |
| 2002-06-03 | CLM |
Claims | 3 | View | |
| 2002-06-03 | ABST |
Abstract | 1 | View | |
| 2002-06-03 | DRW |
Drawings-only black and white line drawings | 3 | View | |
| 2002-06-03 | OATH |
Oath or Declaration filed | 3 | View |
Inventors
Attorneys & Agents of Record
Classification
USPC
430/5
G02B3/0056
G02B3/0012
G03F1/50
Prosecution
- Examiner
- ROSASCO, STEPHEN D
- Art Unit
- 1756
- Customer No.
- 119904
- Docket No.
- 280/030C2
- Confirmation No.
- 9590
Publication
- Pub. No.
- US20020146627A1
- Pub. Date
- 2002-10-10
Patent Term Adjustment
-29days
Parent
is a Continuation of
→
App. 09/584,095
· US 6,420,073
Filed 2000-05-31
· Patented Case
Parent
is a Continuation in-part of
→
App. 09/044,864
· US 6,071,652
Filed 1998-03-20
· Patented Case
Parent
Claims priority from a provisional application
→
App. 60/041,042
Filed 1997-03-21
· Provisional Application Expired
CORRECTIVE ASSIGNMENT TO CORRECT THE EFFECTIVE DATE OF MERGER PREVIOUSLY RECORDED ON REEL 047195 FRAME 0026. ASSIGNOR(S) HEREBY CONFIRMS THE MERGER.
Recorded 2018-11-05
MERGER
Recorded 2018-10-04
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS
Recorded 2017-02-03
PATENT SECURITY AGREEMENT
Recorded 2016-02-11
CORRECTIVE ASSIGNMENT TO CORRECT THE PATENT NO. 7817833 PREVIOUSLY RECORDED AT REEL: 027768 FRAME: 0541. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Recorded 2015-10-01
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2015-07-16
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2014-05-05
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Quick Facts
- Patent No.
- US 6,638,667
- App. No.
- 10/158,941
- Filed
- 2002-06-03
- Granted
- 2003-10-28
- Pub. No.
- US20020146627A1
- Examiner
- ROSASCO, STEPHEN D
- Art Unit
- 1756
- PTA
- -29 days
External Links