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Method, System and Computer Software Code for Trip Optimization with Train/Track Database Augmentation

US 8,768,543 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Jul 1, 2026 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Filed Jan 11, 2007 as application 11/622,136 · Granted Jul 1, 2014
Base term, 20 years from filing, plus 1048 days of patent term adjustment (USPTO delay)
Today
Lapsed Jul 1, 2026
2006 2029
Clock starts
Mar 20, 2006
No longer in force
Jul 1, 2026
Granted
Jul 1, 2014
Term would have run to
Jan 31, 2029
base term patent term adjustment after the term ends 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
1,048
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.
115
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

Its term would have run to Jan 31, 2029: its 20-year base term plus 1048 days of term adjustment for prosecution delay. 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 Mar 20, 2006, when application 11/385,354, the earliest non-provisional in its chain, was filed (this one was filed Jan 11, 2007)Mar 20, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+1048 days, USPTO patent term adjustment recordJan 31, 2029High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Jul 1, 2026High confidence
Computed term endThe steps above, in orderJul 1, 2026High confidence

This family

Application 10/361,968Abandoned
not computed
not computed
US 8,538,611Term ended
May 2024
May 2024
US 7,965,312In force
Dec 2027
Dec 2027
US 9,733,625Term ended
Oct 2026
Oct 2026
US 8,280,566In force
Oct 2029
Oct 2029
US 8,370,006In force
Aug 2030
Aug 2030
Application 11/608,257Abandoned
not computed
not computed
US 8,768,543this patent
Jul 2026
Jul 2026
8 of 115 applications in this family shown, earliest filings first. 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
Jan 11, 2007
Reel 18747, frame 41
Kumar, Ajith K.; Shaffer, Glenn RobertGeneral Electric CompanyAssignment of Assignor's Interest
Dec 6, 2018
Reel 47736, frame 140
General Electric CompanyGE Global Sourcing LLCAssignment of Assignor's Interest

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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