Granted Patent
Utility
US 6,675,900
· Confirmation No. 4667
CROSSOVER TREE SYSTEM
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2017-03-03 | OATH |
Oath or Declaration filed | 11 | View | |
| 2011-11-08 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2011-11-08 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2011-10-27 | PA.. |
Power of Attorney | 1 | View | |
| 2011-10-27 | R3.73 |
Assignee showing of ownership per 37 CFR 3.73 | 1 | View | |
| 2011-10-27 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2003-11-18 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2002-12-11 | TRNA |
Transmittal of New Application | 3 | View | |
| 2002-12-11 | ADS |
Application Data Sheet | 2 | View | |
| 2002-12-11 | A.PE |
Preliminary Amendment | 131 | View | |
| 2002-12-11 | SPEC |
Specification | 34 | View | |
| 2002-12-11 | CLM |
Claims | 7 | View | |
| 2002-12-11 | ABST |
Abstract | 1 | View | |
| 2002-12-11 | DRW |
Drawings-only black and white line drawings | 40 | View | |
| 2002-12-11 | OATH |
Oath or Declaration filed | 7 | View |
Inventors
David C. Baskett
Houston, TX
Edwin R. Knerr
Houston, TX
Attorneys & Agents of Record
Classification
USPC
166/379
E21B34/04
E21B33/0353
E21B33/035
E21B33/043
E21B33/068
E21B33/076
Prosecution
- Examiner
- SUCHFIELD, GEORGE A
- Art Unit
- 3672
- Customer No.
- 67559
- Docket No.
- 19907.026US02
- Confirmation No.
- 4667
Publication
- Pub. No.
- US20030102135A1
- Pub. Date
- 2003-06-05
Patent Term Adjustment
0days
CHANGE OF NAME
Recorded 2017-03-03
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2009-09-21
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Quick Facts
- Patent No.
- US 6,675,900
- App. No.
- 10/316,294
- Filed
- 2002-12-11
- Granted
- 2004-01-13
- Pub. No.
- US20030102135A1
- Examiner
- SUCHFIELD, GEORGE A
- Art Unit
- 3672
- PTA
- 0 days
External Links