Patent Application
Utility
App. No. 10/090,104
· Confirmation No. 4648
DRUM-TYPE DUAL CHANNEL WATER-JET ASSISTED CUTTING HEAD
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2004-03-26 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2004-03-26 | LET. |
Miscellaneous Incoming Letter | 3 | View | |
| 2004-03-26 | DRW |
Drawings-only black and white line drawings | 5 | View | |
| 2002-02-27 | TRNA |
Transmittal of New Application | 2 | View | |
| 2002-02-27 | SPEC |
Specification | 22 | View | |
| 2002-02-27 | CLM |
Claims | 6 | View | |
| 2002-02-27 | ABST |
Abstract | 1 | View | |
| 2002-02-27 | DRW |
Drawings-only black and white line drawings | 13 | View | |
| 2002-02-27 | OATH |
Oath or Declaration filed | 4 | View |
Inventors
Donald B. Sult
Charlottesville, VA
Jeffrey J. Schwoebel
Free Union, VA
Attorneys & Agents of Record
Classification
USPC
299/79.1
E21C25/10
E21C25/60
E21C35/23
Prosecution
- Examiner
- KRECK, JANINE MUIR
- Art Unit
- 3673
- Customer No.
- 61060
- Docket No.
- 30080-00036USPT
- Confirmation No.
- 4648
Publication
- Pub. No.
- US20020158503A1
- Pub. Date
- 2002-10-31
Patent Term Adjustment
-141days
SECURITY AGREEMENT
Recorded 2017-11-29
RELEASE (REEL 033175 / FRAME 0604)
Recorded 2017-11-28
SECURITY INTEREST
Recorded 2014-06-25
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-04-30
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Quick Facts
- App. No.
- 10/090,104
- Filed
- 2002-02-27
- Granted
- 2004-06-29
- Pub. No.
- US20020158503A1
- Examiner
- KRECK, JANINE MUIR
- Art Unit
- 3673
- PTA
- -141 days
External Links