Patent Application
Utility
App. No. 10/225,407
· Confirmation No. 4943
HEAT EXCHANGER WITH INTERTWINED INNER AND OUTER COILS
Inventor:
Stephen S. Hancock
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2003-07-28 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2002-08-19 | TRNA |
Transmittal of New Application | 4 | View | |
| 2002-08-19 | A.PE |
Preliminary Amendment | 12 | View | |
| 2002-08-19 | SPEC |
Specification | 13 | View | |
| 2002-08-19 | CLM |
Claims | 7 | View | |
| 2002-08-19 | ABST |
Abstract | 1 | View | |
| 2002-08-19 | DRW |
Drawings-only black and white line drawings | 4 | View | |
| 2002-08-19 | OATH |
Oath or Declaration filed | 1 | View |
Inventors
Stephen S. Hancock
Flint, TX
Attorneys & Agents of Record
Classification
USPC
62/498
F24F1/18
F24F11/41
F24F1/14
F28D1/0472
F28F9/26
Prosecution
- Examiner
- NORMAN, MARC E
- Art Unit
- 3763
- Docket No.
- D-2553A/WOD
- Confirmation No.
- 4943
Publication
- Pub. No.
- US20020189788A1
- Pub. Date
- 2002-12-19
Patent Term Adjustment
-7days
CHANGE OF NAME
Recorded 2008-04-02
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Quick Facts
- App. No.
- 10/225,407
- Filed
- 2002-08-19
- Granted
- 2003-11-04
- Pub. No.
- US20020189788A1
- Examiner
- NORMAN, MARC E
- Art Unit
- 3763
- PTA
- -7 days
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