Granted Patent
Utility
US 6,686,831
· Confirmation No. 6708
VARIABLE POWER CONTROL FOR PROCESS CONTROL INSTRUMENTS
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2011-10-27 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2011-10-27 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2003-10-31 | IFEE |
Issue Fee Payment (PTO-85B) | 3 | View | |
| 2001-11-16 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-11-16 | DRW |
Drawings-only black and white line drawings | 8 | View | |
| 2001-11-16 | OATH |
Oath or Declaration filed | 2 | View | |
| 2001-09-18 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-09-18 | SPEC |
Specification | 34 | View | |
| 2001-09-18 | CLM |
Claims | 11 | View | |
| 2001-09-18 | ABST |
Abstract | 1 | View | |
| 2001-09-18 | DRW |
Drawings-only black and white line drawings | 12 | View | |
| 2001-09-18 | OATH |
Oath or Declaration filed | 2 | View |
Inventors
Warren E. Cook
Taunton, MA
Vladimir Kostadinov
Sharon, MA
Attorneys & Agents of Record
Classification
USPC
323/273
Prosecution
- Examiner
- NGUYEN, MATTHEW VAN
- Art Unit
- 2838
- Customer No.
- 23903
- Docket No.
- 00013
- Confirmation No.
- 6708
Publication
- Pub. No.
- US20020097031A1
- Pub. Date
- 2002-07-25
Patent Term Adjustment
-32days
RELEASE OF SECURITY INTEREST
Recorded 2013-08-08
RELEASE AND TERMINATION OF SECURITY INTEREST IN PA
Recorded 2006-07-27
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-11-16
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Quick Facts
- Patent No.
- US 6,686,831
- App. No.
- 09/954,205
- Filed
- 2001-09-18
- Granted
- 2004-02-03
- Pub. No.
- US20020097031A1
- Examiner
- NGUYEN, MATTHEW VAN
- Art Unit
- 2838
- PTA
- -32 days
External Links