Oven rack

US D454,470 Term ended

Overview Sources & methods

Term ended no later than Mar 19, 2016 · From the USPTO record

Named at grant Barson Enterprises, Inc. · find this owner

Filed Jan 25, 2001 as application 29/136,278 · Granted Mar 19, 2002

Base term, 14 years from grant

Today

14 years from grant

Ended no later than Mar 19, 2016

2002 2026

Clock starts
Mar 19, 2002

Ended no later than
Mar 19, 2016

base term after the term ends Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

None

Term adjustment

No prosecution delay on this record.

Unresolved

Terminal disclaimer

On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.

14 years from grant

Base term

No maintenance fees are payable on this kind of patent.

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, 14 years from grant	Granted Mar 19, 2002	Mar 19, 2016	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	Disclaimer on file (approved), reference document not resolved	no cap applied, and none guessed	Medium confidence
Patent term extension	None on file	no change	High confidence
Computed term end	The steps above, in order	no later than Mar 19, 2016	From the USPTO record

Sources

Google Patents · The patent document at USPTO · Assignment records at USPTO

USPTO account required: This application in Patent Center

No maintenance fees are payable on this kind of patent, so the record carries no fee events.

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

This computed term ends no later than the date shown; an unresolved terminal disclaimer may end it earlier. Related patents and pending applications may cover overlapping subject matter.