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US

Wall System

US 11,505,948 In force
OverviewFamilyAssignmentsSources & methods

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

Term ends Mar 5, 2041 · High confidence

Filed Nov 14, 2020 as application 17/098,364 · Granted Nov 22, 2022
Base term plus 111 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2020 2041
Clock starts
Nov 14, 2020
Term ends
Mar 5, 2041
Granted
Nov 22, 2022
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
111
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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 runs 111 days past its 20-year base term on 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 Nov 14, 2020, when this application, 17/098,364, was filedNov 14, 2040High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+111 days, USPTO patent term adjustment recordMar 5, 2041High 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 orderMar 5, 2041High confidence

This family

US 11,505,948this patent
Mar 2041
Mar 2041
US 11,572,698In force
Dec 2040
Dec 2040
US 11,608,645In force
Jan 2041
Jan 2041
Application PCT/US2021/055476PCT application
no patent term
no patent term
US 12,421,733In force
Jul 2041
Jul 2041
Application 19/312,653Pending
not computed
not computed
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
Nov 14, 2020
Reel 54368, frame 430
Crenshaw, ThomasMfphd, LLCAssignment of Assignor's Interest
Nov 3, 2021
Reel 58009, frame 895
Crenshaw, ThomasMfphd, LLCAssignment of Assignor's Interest
Mar 28, 2024
Reel 66940, frame 84
Crenshaw, ThomasMfphd LLCAssignment of Assignor's Interest
Aug 30, 2024
Reel 68455, frame 940
Mfphd, LLCStryker CorporationAssignment of Assignor's Interest
Dec 18, 2024
Reel 69737, frame 184
Stryker CorporationStryker CorporationChange of Address

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