The Patent Finder
US

Adjustable Foundation

US 10,638,851 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Mar 13, 2020 (Goldman Sachs Bank USA).

Term ends Feb 24, 2036 · High confidence

Filed Dec 10, 2019 as application 16/708,536 · Granted May 5, 2020
Base term, 20 years from filing
Today
20 years from filing
2016 2036
Clock starts
Feb 24, 2016
Term ends
Feb 24, 2036
Granted
May 5, 2020
base term 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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
1 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 is its 20-year base term, with no adjustment for prosecution delay. 1 of 3 maintenance fees is paid so far. 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 Feb 24, 2016, when application 15/051,972, the earliest non-provisional in its chain, was filed (this one was filed Dec 10, 2019)Feb 24, 2036High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderFeb 24, 2036High confidence

This family

US 10,506,884In force
Jun 2036
Jun 2036
Application PCT/US2017/018774PCT application
no patent term
no patent term
US 10,639,221In force
Feb 2036
Feb 2036
US 10,568,434In force
Feb 2036
Feb 2036
Application PCT/US2018/046014PCT application
no patent term
no patent term
US 10,638,851this patent
Feb 2036
Feb 2036
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
Dec 10, 2019
Reel 51224, frame 499
Kramer, Kenneth L.Dreamwell, Ltd.Assignment of Assignor's Interest
Mar 13, 2020
Reel 52163, frame 152
Dreamwell, Ltd.UBS AG, Stamford Branch, as Administrative AgentFirst Lien Term Loan Intellectual Property Security Agreement Supplement
Mar 13, 2020
Reel 52163, frame 538
Dreamwell, Ltd.Goldman Sachs Bank USA, as Administrative AgentSecond Lien Term Loan Intellectual Property Security Agreement Supplement
Mar 13, 2020
Reel 52163, frame 559
Dreamwell, Ltd.UBS AG, Stamford Branch, as Administrative AgentAbl Intellectual Property Security Agreement Supplement
Jun 24, 2020
Reel 53022, frame 29
Dreamwell, Ltd.UBS AG, Stamford Branch, as Administrative AgentSuper-Priority Term Loan Intellectual Property Security Agreement
Jan 27, 2023
Reel 62525, frame 458
Dreamwell, Ltd.; SSB Manufacturing; National Bedding; Serta Simmons Bedding, LLC; Tuft & Needle, LLC; Tomorrow Sleep LLCEclipse Business Capital LLCSecurity Interest
Jan 27, 2023
Reel 62525, frame 951
UBS AG, Stamford Branch, as Administrative AgentDreamwell, Ltd.; Serta Simmons Bedding, LLCTermination and Release of Abl Intellectual Property Security Agreement Supplement
Jan 27, 2023
reel/frame not recorded
UBS AG, Stamford Branch, as Administrative AgentDreamwell, Ltd.Termination and Release of Abl Intellectual Property Security Agreement Supplement
Jan 27, 2023
reel/frame not recorded
UBS AG, Stamford Branch, as Administrative AgentSerta Simmons Bedding, LLCTermination and Release of Abl Intellectual Property Security Agreement Supplement
Jan 31, 2023
Reel 62571, frame 391
Dreamwell, Ltd.; SSB Manufacturing; National Bedding; Serta Simmons Bedding, LLC; Tuft & Needle, LLC; Tomorrow Sleep LLCEclipse Business Capital LLCSecurity Interest
Feb 6, 2023
Reel 63272, frame 391
UBS AG, Stamford Branch, as the Resigning Administrative AgentWilmington Savings Fund Society, FSB, as Successor Administrative AgentNotice of Agency Resignation and Assignment of Super-Priority Term Loan Intellectual Property Security Agreement
Jun 30, 2023
Reel 64185, frame 583
Dreamwell, Ltd.; Tuft & Needle, LLC; Serta Simmons Bedding, LLC; National Bedding Company, L.l.c.; Tomorrow Sleep LLC; SSB Manufacturing CompanyWilmington Savings Fund Society, FSB, as Administrative AgentTerm Loan Intellectual Property Security Agreement
Jun 30, 2023
Reel 64185, frame 236
Eclipse Business Capital LLC, as Administrative AgentDreamwell, Ltd.; SSB Manufacturing Company; National Bedding Company L.L.C.; Serta Simmons Bedding, LLC; Tuft & Needle, LLC; Tomorrow Sleep LLCRelease of First Lien Security Interest in Intellectual Property
Jun 30, 2023
Reel 64185, frame 479
Wilmington Savings Fund Society, FSB, as Administrative AgentDreamwell, Ltd.; SSB Manufacturing Company; National Bedding Company, L.l.c.; Serta Simmons Bedding, LLC; Tuft & Needle, LLC; Tomorrow Sleep LLCRelease of Super-Priority Security Interest in Intellectual Property
Jun 30, 2023
Reel 64186, frame 65
UBS AG, Stamford Branch, as Administrative AgentDreamwell, Ltd.; Serta Simmons Bedding, LLC; Tuft & Needle, LLC; Tomorrow Sleep LLCRelease of First Lien Security Interest in Intellectual Property
Jun 30, 2023
reel/frame not recorded
Eclipse Business Capital LLC, as Administrative AgentDreamwell, Ltd.Release of First Lien Security Interest in Intellectual Property
Jun 30, 2023
reel/frame not recorded
Eclipse Business Capital LLC, as Administrative AgentSSB Manufacturing CompanyRelease of First Lien Security Interest in Intellectual Property
Jun 30, 2023
reel/frame not recorded
Eclipse Business Capital LLC, as Administrative AgentNational Bedding Company L.L.C.Release of First Lien Security Interest in Intellectual Property
Jun 30, 2023
reel/frame not recorded
Eclipse Business Capital LLC, as Administrative AgentSerta Simmons Bedding, LLCRelease of First Lien Security Interest in Intellectual Property
Jun 30, 2023
reel/frame not recorded
Eclipse Business Capital LLC, as Administrative AgentTuft & Needle, LLCRelease of First Lien Security Interest in Intellectual Property
Jun 30, 2023
reel/frame not recorded
Eclipse Business Capital LLC, as Administrative AgentTomorrow Sleep LLCRelease of First Lien Security Interest in Intellectual Property
Jun 30, 2023
reel/frame not recorded
Wilmington Savings Fund Society, FSB, as Administrative AgentDreamwell, Ltd.Release of Super-Priority Security Interest in Intellectual Property
Jun 30, 2023
reel/frame not recorded
Wilmington Savings Fund Society, FSB, as Administrative AgentSSB Manufacturing CompanyRelease of Super-Priority Security Interest in Intellectual Property
Jun 30, 2023
reel/frame not recorded
Wilmington Savings Fund Society, FSB, as Administrative AgentNational Bedding Company, L.l.c.Release of Super-Priority Security Interest in Intellectual Property
Jun 30, 2023
reel/frame not recorded
Wilmington Savings Fund Society, FSB, as Administrative AgentSerta Simmons Bedding, LLCRelease of Super-Priority Security Interest in Intellectual Property
Jun 30, 2023
reel/frame not recorded
Wilmington Savings Fund Society, FSB, as Administrative AgentTuft & Needle, LLCRelease of Super-Priority Security Interest in Intellectual Property
Jun 30, 2023
reel/frame not recorded
Wilmington Savings Fund Society, FSB, as Administrative AgentTomorrow Sleep LLCRelease of Super-Priority Security Interest in Intellectual Property
Jun 30, 2023
reel/frame not recorded
UBS AG, Stamford Branch, as Administrative AgentDreamwell, Ltd.Release of First Lien Security Interest in Intellectual Property
Jun 30, 2023
reel/frame not recorded
UBS AG, Stamford Branch, as Administrative AgentSerta Simmons Bedding, LLCRelease of First Lien Security Interest in Intellectual Property
Jun 30, 2023
reel/frame not recorded
UBS AG, Stamford Branch, as Administrative AgentTuft & Needle, LLCRelease of First Lien Security Interest in Intellectual Property
Jun 30, 2023
reel/frame not recorded
UBS AG, Stamford Branch, as Administrative AgentTomorrow Sleep LLCRelease of First Lien Security Interest in Intellectual Property
Jul 3, 2023
Reel 64193, frame 668
Dreamwell, Ltd.; Tuft & Needle, LLC; Serta Simmons Bedding, LLC; National Bedding Company, L.l.c.; Tomorrow Sleep LLCWells Fargo Bank, National AssociationSecurity Agreement
May 10, 2024
Reel 67379, frame 782
Dreamwell, Ltd.; National Bedding Company, L.l.c.; Serta Simmons Bedding, LLC; SSB Manufacturing Company; Tomorrow Sleep LLC; Tuft & Needle, LLCWilmington Savings Fund Society, FSBTerm Loan Intellectual Property Security Agreement
Aug 2, 2024
Reel 68325, frame 886
Wells Fargo Bank, National Association; National Bedding Company, L.l.c.; Serta Simmons Bedding, LLC; SSB Manufacturing Company; Tomorrow Sleep LLC; Tuft & Needle, LLC; Dreamwell, Ltd.Eclipse Business Capital LLC, as Administrative AgentSecurity 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