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US

Conveyor drive roller

US 8,292,064 Surrendered on reissue
OverviewSources & methods

Surrendered on reissue May 27, 2014 · From the USPTO record

Surrendered on reissue May 27, 2014 · its term and maintenance fees continue in US RE44,907.

No current holder resolved from the recorded chain.
Filed Aug 6, 2010 as application 12/851,883 · Granted Oct 23, 2012
Base term, 20 years from filing, plus 154 days of patent term adjustment (USPTO delay)
Today
Surrendered May 27, 2014
2010 2031
Clock starts
Aug 6, 2010
No longer in force
May 27, 2014
Granted
Oct 23, 2012
Term would have run to
Jan 7, 2031
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
154
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
Not on record
Maintenance fees
USPTO's record of this patent carries no fee events. A gap in the record, not evidence of lapse.

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 filingClock starts Aug 6, 2010, when this application, 12/851,883, was filedAug 6, 2030High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+154 days, USPTO patent term adjustment recordJan 7, 2031High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee eventsNo fee events in USPTO's record of this patent. A gap in the record, not evidence of lapseno changeMedium confidence
ReissueUS RE44,907 issued May 27, 2014, and this patent's term continues in it (35 U.S.C. 251, 252)surrendered May 27, 2014High confidence
Surrendered on reissueThe steps above, in orderMay 27, 2014From the USPTO record

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.

Not on this page: the patent's family, its recorded assignments and its citation count. USPTO's assignment records, linked above, list every recorded assignment.

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.

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