Granted Patent
Utility
Small
US 6,533,412
· Confirmation No. 2493
INTERCHANGEABLE EYEGLASS LENS SYSTEM AND METHOD
Patented Case
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2022-07-15 | OATH |
Oath or Declaration filed | 12 | View | |
| 2013-10-02 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2013-10-02 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2013-09-26 | PA.. |
Power of Attorney | 1 | View | |
| 2013-09-26 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2013-09-26 | R3.73 |
Assignee showing of ownership per 37 CFR 3.73 | 2 | View | |
| 2002-07-22 | TRNA |
Transmittal of New Application | 1 | View | |
| 2002-07-22 | SPEC |
Specification | 10 | View | |
| 2002-07-22 | CLM |
Claims | 6 | View | |
| 2002-07-22 | ABST |
Abstract | 1 | View | |
| 2002-07-22 | DRW |
Drawings-only black and white line drawings | 3 | View | |
| 2002-07-22 | OATH |
Oath or Declaration filed | 1 | View |
Inventors
Chih Kuan Wang
Guang Zhou, CHINA
Tianshi Wang
Denver, CO
Attorneys & Agents of Record
Classification
USPC
351/86
G02C1/04
G02C1/02
Prosecution
- Examiner
- DANG, HUNG XUAN
- Art Unit
- 2873
- Customer No.
- 78198
- Docket No.
- 801657-675700
- Confirmation No.
- 2493
Patent Term Adjustment
-120days
No related applications found.
RELEASE OF SECURITY INTEREST
Recorded 2022-07-15
SECURITY INTEREST
Recorded 2020-06-10
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-07-22
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Quick Facts
- Patent No.
- US 6,533,412
- App. No.
- 10/199,029
- Filed
- 2002-07-22
- Granted
- 2003-03-18
- Examiner
- DANG, HUNG XUAN
- Art Unit
- 2873
- PTA
- -120 days
External Links