Lapsed Feb 28, 2021 on the fee record · High confidence

Computed 20-year base term

First maintenance fee unpaid; grace period ended.

Held by Fujitsu Component Limited

Filed Apr 15, 2015 as application 14/686,933 · Granted Feb 28, 2017

Base term, 20 years from filing

Today

Lapsed Feb 28, 2021

2015 2035

Clock starts
Apr 15, 2015

No longer in force
Feb 28, 2021

Granted
Feb 28, 2017

Term would have run to
Apr 15, 2035

base term after the term ends 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

None

Term adjustment

No prosecution delay on this record.

None

Terminal disclaimer

No disclaimer on this record.

0 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.

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 Apr 15, 2035: 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.

Step	Input	Date after this step	Confidence
Base term, 20 years from filing	Clock starts Apr 15, 2015, when this application, 14/686,933, was filed	Apr 15, 2035	High confidence
Continuity chain	Every parent in the chain resolved	no change	High confidence
Patent term adjustment	None on file	no change	High confidence
Terminal disclaimer cap	None on record	no cap applied	High confidence
Patent term extension	None on file	no change	High confidence
Fee events	0 of 3 maintenance fees paid	lapsed Feb 28, 2021	High confidence
Computed term end	The steps above, in order	Feb 28, 2021	High confidence

This family

US 9,793,079	Lapsed on the fee record Oct 2021	Oct 2021
US 9,607,793	Lapsed on the fee record Mar 2025	Mar 2025
US 9,583,293	this patent Feb 2021	Feb 2021
US 9,634,443	Lapsed on the fee record Apr 2021	Apr 2021
US 9,281,640	Lapsed on the fee record Mar 2024	Mar 2024
US 9,368,892	Lapsed on the fee record Jun 2020	Jun 2020
US 9,645,318	Lapsed on the fee record May 2021	May 2021
US 9,887,480	Lapsed on the fee record Feb 2022	Feb 2022

8 of 47 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.

Recorded	Assignor	Assignee	Conveyance
Apr 15, 2015 Reel 35413, frame 162	Li, Ying; Kaneko, Masahiro; Yatsu, Nobuo; Uchiyama, Takuya; Tokuhara, Yayoi; Takahashi, Kohei; Koshimura, Katsuaki; Liang, Chuqi; Kitahara, Miki	Fujitsu Component Limited	Assignment 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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Alerts on its grants, lapses and transfers.

Citations

later US patent cites this one

That is below the median of utility patents granted in 2017 in our data, the only group it is compared against. How we rank

Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

Electromagnetic Relay