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Speaker enclosure and mounting method for isolating and insulating faceplate and speakers from a surrounding mounting surface

US 6,550,570 Term ended
OverviewSources & methods

Term ended May 13, 2021 · From the USPTO record

Named at grant Multi Service Corporation · find this owner
Filed Jan 16, 2001 as application 09/760,986 · Granted Apr 22, 2003
Base term plus 117 days of patent term adjustment (USPTO delay)
Today
20 years from filing
Term ended May 13, 2021
2001 2026
Clock starts
Jan 16, 2001
Term ended
May 13, 2021
Granted
Apr 22, 2003
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
117
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.

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 Jan 16, 2001, when this application, 09/760,986, was filedJan 16, 2021High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+117 days, USPTO patent term adjustment recordMay 13, 2021High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidterm endedHigh confidence
Computed term endThe steps above, in orderMay 13, 2021From 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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