Resistance heating system

US 7,141,766 Surrendered on reissue

Overview Sources & methods

Surrendered on reissue Jul 22, 2014 · From the USPTO record

Computed 20-year base term

Surrendered on reissue Jul 22, 2014 · its term and maintenance fees continue in US RE45,026.

Named at grant JNT Technical Services, Inc. · find this owner

Filed Mar 8, 2005 as application 11/074,507 · Granted Nov 28, 2006

Base term, 20 years from filing

Today

Surrendered Jul 22, 2014

2005 2026

Clock starts
Mar 8, 2005

No longer in force
Jul 22, 2014

Granted
Nov 28, 2006

Term would have run to
Mar 8, 2025

base term after the term ends fee events 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.

None

Terminal disclaimer

No disclaimer on this record.

2 of 3

Maintenance fees paid

Fees paid on this patent before its reissue. Those after fall due on the reissue, which carries the term on.

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 filing	Clock starts Mar 8, 2005, when this application, 11/074,507, was filed	Mar 8, 2025	High confidence
Continuity chain	Every parent in the chain resolved	no change	High confidence
Patent term adjustment	No term adjustment record on a grant after 2005, so none is added	no change	Medium confidence
Terminal disclaimer cap	None on record	no cap applied	High confidence
Patent term extension	None on file	no change	High confidence
Fee events	No fee event states this; the fee state is read from the payments the fee record holds	no change	Medium confidence
Reissue	US RE45,026 issued Jul 22, 2014, and this patent's term continues in it (35 U.S.C. 251, 252)	surrendered Jul 22, 2014	High confidence
Surrendered on reissue	The steps above, in order	Jul 22, 2014	From 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.

Resistance heating system

Surrendered on reissue Jul 22, 2014 · From the USPTO record

20-year base term ended Mar 8, 2025

How we calculated this date

Sources