The Patent Finder
US

Headrest Assembly with Improved Flexibility for a Massage Device

US 7,979,933 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Jul 12, 2026 · High confidence

Filed Jun 13, 2006 as application 11/452,726 · Granted Jul 19, 2011
Base term plus 29 days of patent term adjustment (USPTO delay)
Today
20 years from filing
Term ended Jul 12, 2026
2006 2026
Clock starts
Jun 13, 2006
Term ended
Jul 12, 2026
Granted
Jul 19, 2011
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
29
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.
6
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 29 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Jun 13, 2006, when this application, 11/452,726, was filedJun 13, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+29 days, USPTO patent term adjustment recordJul 12, 2026High 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 orderJul 12, 2026High confidence

This family

US 7,640,609In force
Aug 2027
Aug 2027
US 7,979,934In force
Nov 2026
Nov 2026
US 7,636,968In force
Mar 2027
Mar 2027
US 7,610,639In force
Oct 2027
Oct 2027
US 7,979,933this patent
Jul 2026
Jul 2026
Application PCT/US2006/022969PCT 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.
RecordedAssignorAssigneeConveyance
Sep 7, 2006
Reel 18287, frame 969
Roleder, Jon W.; Chow, William W.Earthlite Massage Tables, Inc.Assignment of Assignor's Interest
Jul 12, 2016
Reel 39310, frame 24
Earthlite Acquisition, Inc.; Earthlite, LLCTCF National BankSecurity Interest
Jun 22, 2018
Reel 46419, frame 128
Earthlite Massage Tables, Inc.Earthlite, LLCChange of Name
May 19, 2023
Reel 63707, frame 969
Earthlite, LLC; Earthlite Acquisition, Inc.; Continuum Footspas, LLCThe Huntington National BankSecurity Interest
Dec 1, 2023
Reel 65732, frame 187
Earthlite Acquisition, Inc.; Earthlite, LLC; Continuum Footspas, LLCOld Second National BankSecurity Interest
Dec 1, 2023
Reel 65743, frame 359
The Huntington National Bank F/K/A TCF National BankEarthlite, LLC; Earthlite Acquisition, Inc.; Continuum Footspas, LLCRelease of Security Interest
Dec 1, 2023
reel/frame not recorded
The Huntington National Bank F/K/A TCF National BankEarthlite, LLCRelease of Security Interest
Dec 1, 2023
reel/frame not recorded
The Huntington National Bank F/K/A TCF National BankEarthlite Acquisition, Inc.Release of Security Interest
Dec 1, 2023
reel/frame not recorded
The Huntington National Bank F/K/A TCF National BankContinuum Footspas, LLCRelease of Security Interest
Jul 4, 2024
Reel 67912, frame 933
Old Second National Bank, a National BankEarthlite Acquisition, Inc., a Delaware Corporation; Earthlite, LLC, a California Limited Liability Company; Continuum Footspas, LLC, a Wisconsin Limited Liability CompanyRelease of Security Interest
Jul 4, 2024
reel/frame not recorded
Old Second National Bank, a National BankEarthlite Acquisition, Inc., a Delaware CorporationRelease of Security Interest
Jul 4, 2024
reel/frame not recorded
Old Second National Bank, a National BankEarthlite, LLC, a California Limited Liability CompanyRelease of Security Interest
Jul 4, 2024
reel/frame not recorded
Old Second National Bank, a National BankContinuum Footspas, LLC, a Wisconsin Limited Liability CompanyRelease of Security 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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited