Granted Patent
Utility
US 6,814,874
· Confirmation No. 2610
CLARICONE SLUDGE LEVEL CONTROL SYSTEM
Inventor:
Donald Neil Ruehrwein
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2010-06-24 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2010-06-24 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2010-06-16 | PA.. |
Power of Attorney | 18 | View | |
| 2010-06-16 | TRAN.LET |
Transmittal Letter | 2 | View | |
| 2005-09-01 | COCOUT |
Certificate of Correction - Post Issue Communication | 1 | View | |
| 2005-07-21 | COCIN |
Request for Certificate of Correction | 2 | View | |
| 2004-09-23 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2004-09-23 | LET. |
Miscellaneous Incoming Letter | 1 | View | |
| 2004-09-21 | LET. |
Miscellaneous Incoming Letter | 1 | View | |
| 2004-09-21 | DRW |
Drawings-only black and white line drawings | 5 | View | |
| 2004-06-21 | NOA |
Notice of Allowance and Fees Due (PTOL-85) | 3 | View | |
| 2004-06-21 | NOA |
Notice of Allowance and Fees Due (PTOL-85) | 3 | View | |
| 2004-06-21 | IIFW |
Issue Information including classification, examiner, name, claim, renumbering, etc. | 1 | View | |
| 2004-06-21 | SRFW |
Search information including classification, databases and other search related notes | 1 | View | |
| 2004-06-18 | WFEE |
Fee Worksheet (SB06) | 1 | View | |
| 2004-05-21 | A... |
Amendment/Request for Reconsideration-After Non-Final Rejection | 1 | View | |
| 2004-05-21 | CLM |
Claims | 7 | View | |
| 2004-05-21 | REM |
Applicant Arguments/Remarks Made in an Amendment | 1 | View | |
| 2004-02-24 | CTNF |
Non-Final Rejection | 5 | View | |
| 2004-02-24 | 1449 |
List of References cited by applicant and considered by examiner | 1 | View | |
| 2004-02-24 | 892 |
List of references cited by examiner | 1 | View | |
| 2004-02-24 | SRFW |
Search information including classification, databases and other search related notes | 1 | View | |
| 2004-02-17 | SRNT |
Examiner's search strategy and results | 4 | View | |
| 2002-11-18 | IDS |
Information Disclosure Statement (IDS) Form (SB08) | 2 | View | |
| 2002-08-06 | TRNA |
Transmittal of New Application | 2 | View | |
| 2002-08-06 | ADS |
Application Data Sheet | 2 | View | |
| 2002-08-06 | SPEC |
Specification | 8 | View | |
| 2002-08-06 | CLM |
Claims | 3 | View | |
| 2002-08-06 | ABST |
Abstract | 1 | View | |
| 2002-08-06 | DRW |
Drawings-only black and white line drawings | 5 | View | |
| 2002-08-06 | OATH |
Oath or Declaration filed | 1 | View | |
| 2002-08-06 | WFEE |
Fee Worksheet (SB06) | 1 | View | |
| 2002-08-06 | WFEE |
Fee Worksheet (SB06) | 1 | View |
Inventors
Donald Neil Ruehrwein
Batavia, IL
Attorneys & Agents of Record
Classification
USPC
210/744
C02F1/5281
B01D21/08
B01D21/2433
B01D21/2444
B01D21/245
B01D21/32
B01D21/34
C02F2209/005
C02F2209/42
Prosecution
- Examiner
- LAWRENCE JR, FRANK M
- Art Unit
- 1724
- Customer No.
- 90641
- Docket No.
- 17601/048001
- Confirmation No.
- 2610
Publication
- Pub. No.
- US20040026333A1
- Pub. Date
- 2004-02-12
Patent Term Adjustment
-50days
No related applications found.
SECURITY INTEREST
Recorded 2023-10-16
SECURITY INTEREST
Recorded 2023-10-16
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2023-10-11
from
CHICAGO BRIDGE & IRON COMPANY,
CHICAGO BRIDGE & IRON COMPANY (DELAWARE),
J. RAY MCDERMOTT, S.A.,
MCDERMOTT TECHNOLOGY, LLC,
MCDERMOTT, INC.,
SPARTEC, INC.
SECURITY INTEREST
Recorded 2020-06-30
from
CB&I GROUP, INC.,
CHICAGO BRIDGE & IRON COMPANY,
CHICAGO BRIDGE & IRON COMPANY, AN ILLINOIS CORPORATION,
J. RAY MCDERMOTT, S.A.,
MCDERMOTT INTERNATIONAL, INC.,
MCDERMOTT, INC.,
SPARTEC, INC.
SECURITY INTEREST
Recorded 2019-10-21
from
CB&I GROUP INC.,
CHICAGO BRIDGE & IRON COMPANY, A DELAWARE CORPORATION,
CHICAGO BRIDGE & IRON COMPANY, AN ILLINOIS CORPORATION
SECURITY INTEREST
Recorded 2018-05-16
from
RUEHRWEIN, DONALD N.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2003-08-28
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Quick Facts
- Patent No.
- US 6,814,874
- App. No.
- 10/212,887
- Filed
- 2002-08-06
- Granted
- 2004-11-09
- Pub. No.
- US20040026333A1
- Examiner
- LAWRENCE JR, FRANK M
- Art Unit
- 1724
- PTA
- -50 days
External Links