The Patent Finder
US

Method of Setting Lancing Member to Lancing Device, Lancing Device and Cam Mechanism

US 7,879,057 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Feb 1, 2015 on the fee record · High confidence

First maintenance fee unpaid; grace period ended.

Held by Arkray, Inc.
Filed Dec 30, 2004 as application 10/519,881 · Granted Feb 1, 2011
Base term, 20 years from filing, plus 1327 days of patent term adjustment (USPTO delay)
Today
Lapsed Feb 1, 2015
2003 2027
Clock starts
Jul 1, 2003
No longer in force
Feb 1, 2015
Granted
Feb 1, 2011
Term would have run to
Feb 17, 2027
base term patent term adjustment 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
1,327
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
52
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 Feb 17, 2027: its 20-year base term plus 1327 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 Jul 1, 2003, when application PCT/JP2003/008384, the earliest non-provisional in its chain, was filed (this one was filed Dec 30, 2004)Jul 1, 2023High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+1327 days, USPTO patent term adjustment recordFeb 17, 2027High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidlapsed Feb 1, 2015High confidence
Computed term endThe steps above, in orderFeb 1, 2015High confidence

This family

Application 10/481,397Abandoned
not computed
not computed
US 8,016,847Term ended
Jan 2026
Jan 2026
US 8,801,740Term ended
Dec 2025
Dec 2025
US 8,016,773Term ended
Dec 2022
Dec 2022
Application 10/503,290Abandoned
not computed
not computed
US 8,052,942In force
Jan 2029
Jan 2029
US 7,879,057this patent
Feb 2015
Feb 2015
US 8,123,771Lapsed on the fee record
Feb 2016
Feb 2016
8 of 52 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
Dec 30, 2004
Reel 16870, frame 637
Sakata, Tetsuya; Matsumoto, DaisukeArkray, Inc.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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited