Granted Patent
Utility
US 6,557,622
· Confirmation No. 5853
DIFFERENTIAL QUENCH METHOD AND APPARATUS
|
⬇ PDF
|
Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2018-03-11 | OATH |
Oath or Declaration filed | 18 | View | |
| 2017-12-07 | OATH |
Oath or Declaration filed | 13 | View | |
| 2002-05-31 | TRNA |
Transmittal of New Application | 4 | View | |
| 2002-05-31 | SPEC |
Specification | 40 | View | |
| 2002-05-31 | CLM |
Claims | 4 | View | |
| 2002-05-31 | ABST |
Abstract | 1 | View | |
| 2002-05-31 | DRW |
Drawings-only black and white line drawings | 6 | View | |
| 2002-02-19 | TRNA |
Transmittal of New Application | 20 | View | |
| 2002-02-19 | SPEC |
Specification | 46 | View | |
| 2002-02-19 | CLM |
Claims | 6 | View | |
| 2002-02-19 | ABST |
Abstract | 1 | View | |
| 2002-02-19 | DRW |
Drawings-only black and white line drawings | 6 | View | |
| 2002-02-19 | OATH |
Oath or Declaration filed | 15 | View | |
| 2002-02-19 | LET. |
Miscellaneous Incoming Letter | 1 | View |
Inventors
William R. Frank
Bettendorf, IA
Jonathan Dorricott
Davenport, IA
Laurie E. Collins
Regina, CANADA
Joseph D. Russo
Bettendorf, IA
Robert J. Boecker
Bettendorf, IA
Brian H. Wales
Davenport, IA
Attorneys & Agents of Record
Classification
USPC
164/414
B21B37/74
B21B1/34
B21B1/466
B21B45/004
B21B45/0218
B21B2015/0014
B21B2015/0071
C21D8/021
C21D8/0226
C21D2211/002
C21D2211/008
Prosecution
- Examiner
- LIN, ING HOUR
- Art Unit
- 1725
- Customer No.
- 34018
- Docket No.
- 205239-9003
- Confirmation No.
- 5853
Publication
- Pub. No.
- US20020129921A1
- Pub. Date
- 2002-09-19
Patent Term Adjustment
0days
PARTIAL TERMINATION AND RELEASE OF SECURITY INTEREST
Recorded 2019-07-03
SECURITY INTEREST
Recorded 2018-03-11
SECURITY INTEREST
Recorded 2017-12-07
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
- Patent No.
- US 6,557,622
- App. No.
- 10/078,595
- Filed
- 2002-02-19
- Granted
- 2003-05-06
- Pub. No.
- US20020129921A1
- Examiner
- LIN, ING HOUR
- Art Unit
- 1725
- PTA
- 0 days
External Links