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Ferric Phosphate and Methods of Preparation Thereof

US 9,174,846 In force
OverviewFamilyAssignmentsSources & methods

Term ends Aug 24, 2032 · High confidence

Filed Sep 20, 2010 as application 12/885,907 · Granted Nov 3, 2015
Base term plus 704 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2010 2032
Clock starts
Sep 20, 2010
Term ends
Aug 24, 2032
Granted
Nov 3, 2015
base term patent term adjustment fee events Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
704
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
7
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

This patent's term runs 704 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. Confidence: High. from the record

How we calculated this date

One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Sep 20, 2010, when this application, 12/885,907, was filedSep 20, 2030High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+704 days, USPTO patent term adjustment recordAug 24, 2032High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderAug 24, 2032High confidence

This family

US 9,174,846this patent
Aug 2032
Aug 2032
US 9,660,267In force
Sep 2030
Sep 2030
US 9,954,228In force
Dec 2030
Dec 2030
US 10,522,833In force
Sep 2030
Sep 2030
US 11,652,207In force
Nov 2031
Nov 2031
Application 18/295,798Pending
not computed
not computed
Application 19/701,609Pending
not computed
not computed
The applications whose file history this site holds. The family may have others.

Assignments

Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
RecordedAssignorAssigneeConveyance
Feb 14, 2011
Reel 25801, frame 363
Beck, Larry W.; Soltani, Mahrokh; Wang, LiyaA123 Systems, Inc.Assignment of Assignor's Interest
Aug 17, 2012
Reel 28801, frame 112
A123 Systems, Inc.Wanxiang America CorporationSecurity Agreement
Jun 17, 2013
Reel 30628, frame 494
Wanxiang America CorporationA123 Systems, Inc.Bankruptcy Order Authorizing the Sale of Assets Free and Clear of All Claims, Liens, Liabilities, Rights, Interests and Encumbrances (Releases Wanxiang Security Interest)
Jun 18, 2013
Reel 30639, frame 213
A123 Systems, Inc.Wanxiang Clean Energy USA Acquisition LLCAssignment of Assignor's Interest
Jun 18, 2013
Reel 30639, frame 244
Wanxiang Clean Energy USA Acquisition LLCA123 Systems LLCChange of Name

Sources

Google Patents · The patent document at USPTO · Assignment records at USPTO

USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup

Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.

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