Also listed on Radioshack Corporation, an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Sep 5, 2027 · High confidence

Computed 20-year base term

Held by Global Franchising Corporation

Filed Dec 22, 2005 as application 11/315,518 · Granted Feb 9, 2010

Base term plus 622 days of patent term adjustment (USPTO delay)

Today

20 years from filing

Term ends Sep 5, 2027

2005 2027

Clock starts
Dec 22, 2005

Term ends
Sep 5, 2027

Granted
Feb 9, 2010

base term patent term adjustment 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

622

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.

Family applications on record here

Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

This patent's term runs 622 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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.

Step	Input	Date after this step	Confidence
Base term, 20 years from filing	Clock starts Dec 22, 2005, when this application, 11/315,518, was filed	Dec 22, 2025	High confidence
Continuity chain	Every parent in the chain resolved	no change	High confidence
Patent term adjustment	+622 days, USPTO patent term adjustment record	Sep 5, 2027	High confidence
Terminal disclaimer cap	None on record	no cap applied	High confidence
Patent term extension	None on file	no change	High confidence
Fee events	3 of 3 maintenance fees paid	In force	High confidence
Computed term end	The steps above, in order	Sep 5, 2027	High confidence

This family

US 7,660,602	this patent Sep 2027	Sep 2027
Application PCT/US2006/062235	PCT application no patent term	no patent term

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.

Recorded	Assignor	Assignee	Conveyance
Feb 10, 2006 Reel 17151, frame 830	Berman, Andy; Kizer, Aaron	Radioshack Corporation	Assignment of Assignor's Interest
Sep 27, 2012 Reel 29038, frame 481	Radioshack Corporation	Wells Fargo Bank, National Association	Security Agreement
Sep 27, 2012 Reel 29040, frame 818	Radioshack Corporation	Bank Of America, N.a.	Security Agreement
Dec 10, 2013 Reel 31793, frame 554	Radioshack Corporation	Salus Capital Partners, LLC, as Agent	Security Agreement
Dec 11, 2013 Reel 31795, frame 287	Radioshack Corporation	General Electric Capital Corporation	Security Agreement
Dec 12, 2013 Reel 31796, frame 969	Wells Fargo Bank, National Association, as Agent	Radioshack Corporation	Release of Security Interest
Dec 12, 2013 Reel 31796, frame 978	Bank of America, N.A., as Administrative Agent	Radioshack Corporation	Release of Security Interest
Nov 6, 2014 Reel 34181, frame 1	General Electric Capital Corporation, as Agent	Cantor Fitzgerald Securities, As Successor Agent	Agency Transfer Agreement (Credit Agreement)
Jul 8, 2015 Reel 36079, frame 425	Radioshack Corporation; Tandy Radioshack Limited	General Wireless IP Holdings LLC; General Wireless Operations Inc.	Assignment of Assignor's Interest
Jul 8, 2015 Reel 36079, frame 487	General Wireless IP Holdings LLC	Kensington Technology Holdings, LLC	Security Interest
Jul 8, 2015 reel/frame not recorded	Radioshack Corporation; Tandy Radioshack Limited	General Wireless IP Holdings LLC	Assignment of Assignor's Interest
Jul 8, 2015 reel/frame not recorded	Radioshack Corporation; Tandy Radioshack Limited	General Wireless Operations Inc.	Assignment of Assignor's Interest
Jul 16, 2015 Reel 36142, frame 142	Radioshack Corporation; Tandy Radioshack Limited	General Wireless IP Holdings LLC	Correct an Error in a Cover Sheet Previously Recorded
Nov 12, 2020 Reel 54353, frame 209	Radioshack Online Ipco, LLC	General Wireless IP Holdings LLC	Security Interest
Jan 28, 2021 Reel 55064, frame 946	General Wireless IP Holdings LLC	Radioshack Online Ipco, LLC	Assignment of Assignor's Interest
May 24, 2023 Reel 63749, frame 457	General Wireless IP Holdings LLC	Global Franchising Corporation	Assignment of Assignor's Interest

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.

What's changing

Sep 2027

Term ends Sep 5, 2027. No further fees fall due before then

Note

The 622 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us

Citations

later US patents cite this one

That is above the median of utility patents granted in 2010 in our data, the only group it is compared against. How we rank

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.

In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.

Full-Duplex Radio Speaker System and Associated Method