Patent Application
Utility
App. No. 10/086,323
· Confirmation No. 8562
CLAMPED CHAIN COVER FOR LONGWALL PLOUGH GUIDE
Inventor:
Gerhard Siepenkort
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2006-12-04 | STATUS.LET |
Request for status of Application | 7 | View | |
| 2004-01-21 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2004-01-16 | LET. |
Miscellaneous Incoming Letter | 2 | View | |
| 2004-01-16 | DRW |
Drawings-only black and white line drawings | 2 | View | |
| 2002-03-01 | TRNA |
Transmittal of New Application | 2 | View | |
| 2002-03-01 | SPEC |
Specification | 13 | View | |
| 2002-03-01 | CLM |
Claims | 3 | View | |
| 2002-03-01 | ABST |
Abstract | 1 | View | |
| 2002-03-01 | DRW |
Drawings-only black and white line drawings | 1 | View | |
| 2002-03-01 | OATH |
Oath or Declaration filed | 3 | View |
Inventors
Gerhard Siepenkort
Lunen, GERMANY
Attorneys & Agents of Record
Classification
USPC
299/34.1
E21C35/12
Prosecution
- Examiner
- KRECK, JANINE MUIR
- Art Unit
- 3673
- Docket No.
- BROMHEAD 38
- Confirmation No.
- 8562
Foreign Priority
20103704.1
·
2001-03-02
·
GERMANY
Publication
- Pub. No.
- US20020121804A1
- Pub. Date
- 2002-09-05
Patent Term Adjustment
-123days
No related applications found.
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Quick Facts
- App. No.
- 10/086,323
- Filed
- 2002-03-01
- Granted
- 2004-08-03
- Pub. No.
- US20020121804A1
- Examiner
- KRECK, JANINE MUIR
- Art Unit
- 3673
- PTA
- -123 days
External Links