Patent Application
Utility
App. No. 09/950,143
· Confirmation No. 1222
MULTI-STAGE DIESEL PARTICULATE COLLECTOR SYSTEM WITH COMBINED PROCESSES OF INERTIAL IMPACTION, VIRTUAL IMPACTION, AND FILTRATION
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2014-08-11 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2014-08-11 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2014-07-18 | PA.. |
Power of Attorney | 1 | View | |
| 2014-07-18 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2014-07-18 | R3.73 |
Assignee showing of ownership per 37 CFR 3.73 | 1 | View | |
| 2001-09-10 | TRNA |
Transmittal of New Application | 4 | View | |
| 2001-09-10 | SPEC |
Specification | 5 | View | |
| 2001-09-10 | CLM |
Claims | 9 | View | |
| 2001-09-10 | ABST |
Abstract | 1 | View | |
| 2001-09-10 | DRW |
Drawings-only black and white line drawings | 3 | View | |
| 2001-09-10 | OATH |
Oath or Declaration filed | 2 | View |
Inventors
Z. Gerald Liu
Madison, WI
C. Raymond Cheng
Madison, WI
Attorneys & Agents of Record
Classification
USPC
95/268
F01N3/0215
F01N13/0097
F01N3/0222
F01N3/0226
F01N3/033
F01N3/037
F01N2240/20
F01N2250/08
F01N2330/06
F01N2330/12
F01N2330/14
F01N2450/30
Y02T10/12
Y10S55/30
Prosecution
- Examiner
- HOPKINS, ROBERT A
- Art Unit
- 1724
- Customer No.
- 116387
- Confirmation No.
- 1222
Publication
- Pub. No.
- US20030047074A1
- Pub. Date
- 2003-03-13
Patent Term Adjustment
-86days
No related applications found.
MERGER AND CHANGE OF NAME
Recorded 2014-05-30
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-01-07
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Quick Facts
- App. No.
- 09/950,143
- Filed
- 2001-09-10
- Granted
- 2003-06-10
- Pub. No.
- US20030047074A1
- Examiner
- HOPKINS, ROBERT A
- Art Unit
- 1724
- PTA
- -86 days
External Links