Granted Patent
Utility
US 6,729,248
· Confirmation No. 4245
LOW SULFUR COAL ADDITIVE FOR IMPROVED FURNACE OPERATION
Inventors
Attorneys & Agents of Record
Classification
USPC
110/342
C10L10/04
C10L9/10
F23G2202/20
F23G2203/30
F23J7/00
F23J9/00
F23K2201/505
Y02E20/12
Prosecution
- Examiner
- RINEHART, KENNETH
- Art Unit
- 3749
- Customer No.
- 22442
- Docket No.
- 3791-13
- Confirmation No.
- 4245
Publication
- Pub. No.
- US20020066394A1
- Pub. Date
- 2002-06-06
Patent Term Adjustment
-243days
Parent
Claims priority from a provisional application
→
App. 60/213,915
Filed 2000-06-26
· Provisional Application Expired
Child
is a Continuation of
→
App. 10/622,677
· US 8,919,266
Filed 2003-07-18
· Patented Case
Child
is a Division of
→
App. 10/209,089
· US 6,773,471
Filed 2002-07-30
· Patented Case
Child
is a Continuation of
→
App. 12/785,184
· US 8,439,989
Filed 2010-05-21
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
is a Continuation of
→
App. 14/533,765
· US 9,951,287
Filed 2014-11-05
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
is a Continuation of
→
App. 15/934,571
· US 11,168,274
Filed 2018-03-23
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
is a Division of
→
App. 10/209,083
· US 7,332,002
Filed 2002-07-30
· Patented Case
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS
Recorded 2021-06-04
from
ADA-ES, INC.
NOTICE OF GRANT OF SECURITY INTEREST IN PATENTS
Recorded 2018-12-07
RELEASE OF SECURITY INTEREST
Recorded 2016-07-01
from
ADA-ES, INC.
SECURITY INTEREST
Recorded 2015-10-23
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2011-12-19
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-10-22
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Quick Facts
- Patent No.
- US 6,729,248
- App. No.
- 09/893,079
- Filed
- 2001-06-26
- Granted
- 2004-05-04
- Pub. No.
- US20020066394A1
- Examiner
- RINEHART, KENNETH
- Art Unit
- 3749
- PTA
- -243 days
External Links