Granted Patent
Utility
US 6,619,820
· Confirmation No. 1924
LIGHT CONDENSING AND COLLECTING SYSTEMS USING LENSED LIGHT PIPES
Inventor:
Kenneth K. Li
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2003-07-25 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2001-09-20 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-09-20 | SPEC |
Specification | 11 | View | |
| 2001-09-20 | CLM |
Claims | 7 | View | |
| 2001-09-20 | ABST |
Abstract | 1 | View | |
| 2001-09-20 | DRW |
Drawings-only black and white line drawings | 9 | View | |
| 2001-09-20 | OATH |
Oath or Declaration filed | 2 | View |
Inventors
Kenneth K. Li
Arcadia, CA
Attorneys & Agents of Record
Classification
USPC
362/302
Prosecution
- Examiner
- TRUONG, BAO Q
- Art Unit
- 2875
- Customer No.
- 6449
- Docket No.
- 2138-226
- Confirmation No.
- 1924
Publication
- Pub. No.
- US20020039293A1
- Pub. Date
- 2002-04-04
Patent Term Adjustment
0days
from
WAVIEN, INC.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2015-12-22
from
LI, KENNETH K.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-09-20
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Quick Facts
- Patent No.
- US 6,619,820
- App. No.
- 09/955,980
- Filed
- 2001-09-20
- Granted
- 2003-09-16
- Pub. No.
- US20020039293A1
- Examiner
- TRUONG, BAO Q
- Art Unit
- 2875
- PTA
- 0 days
External Links