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US 9,614,589 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Apr 4, 2025 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Filed Jan 21, 2016 as application 15/003,677 · Granted Apr 4, 2017
Base term, 20 years from filing
Today
Lapsed Apr 4, 2025
2016 2036
Clock starts
Jan 21, 2016
No longer in force
Apr 4, 2025
Granted
Apr 4, 2017
Term would have run to
Jan 21, 2036
base term after the term ends fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
66
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 21, 2036: its 20-year base term, with no 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 Jan 21, 2016, when this application, 15/003,677, was filedJan 21, 2036High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidlapsed Apr 4, 2025High confidence
Computed term endThe steps above, in orderApr 4, 2025High confidence

This family

US 9,638,821Lapsed on the fee record
May 2025
May 2025
Application PCT/US2015/021093PCT application
no patent term
no patent term
US 9,853,837In force
Apr 2035
Apr 2035
Application PCT/US2015/024265PCT application
no patent term
no patent term
US 9,590,601Lapsed on the fee record
Mar 2021
Mar 2021
US 10,168,393In force
Sep 2036
Sep 2036
US 9,614,589this patent
Apr 2025
Apr 2025
US 9,557,391Lapsed on the fee record
Jan 2021
Jan 2021
8 of 66 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
Feb 21, 2017
Reel 41313, frame 166
Russo, Jon C.; Bruce, Gregory S.; Coar, David N.; Lew, Wilbur; Miller, Julie L.Lockheed Martin CorporationAssignment 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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