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Method and a Device for Measuring Stress Forces in Refiners

US 7,325,464 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Feb 5, 2016 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Filed Jul 29, 2005 as application 10/509,960 · Granted Feb 5, 2008
Base term, 20 years from filing, plus 164 days of patent term adjustment (USPTO delay)
Today
Lapsed Feb 5, 2016
2003 2026
Clock starts
Apr 2, 2003
No longer in force
Feb 5, 2016
Granted
Feb 5, 2008
Term would have run to
Sep 13, 2023
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
164
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
33
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 Sep 13, 2023: its 20-year base term plus 164 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 Apr 2, 2003, when application PCT/SE2003/000531, the earliest non-provisional in its chain, was filed (this one was filed Jul 29, 2005)Apr 2, 2023High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+164 days, USPTO patent term adjustment recordSep 13, 2023High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidlapsed Feb 5, 2016High confidence
Computed term endThe steps above, in orderFeb 5, 2016High confidence

This family

US 7,214,172Lapsed on the fee record
May 2015
May 2015
Application 10/509,981Abandoned
not computed
not computed
US 7,325,464this patent
Feb 2016
Feb 2016
US 7,444,265Lapsed on the fee record
Oct 2012
Oct 2012
US 8,092,653Lapsed on the fee record
Jan 2020
Jan 2020
US 7,845,583Lapsed on the fee record
Dec 2014
Dec 2014
US 8,038,844Lapsed on the fee record
Oct 2019
Oct 2019
US 8,020,797Lapsed on the fee record
Sep 2015
Sep 2015
8 of 33 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
Jul 29, 2005
Reel 16592, frame 370
Backlund, Hans-olofMetso Paper, Inc.Assignment of Assignor's Interest
Mar 27, 2014
Reel 32551, frame 426
Metso Paper, Inc.Valmet Technologies, Inc.Change 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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