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System For Processing Bone Stock Including A Bone Cleaning Head, A Bone Milling Head And Base That Powers Both The Cleaning Head And The Milling Head

US 11,452,621 In force
OverviewFamilyAssignmentsSources & methods

Term ends Sep 17, 2031 · High confidence

Filed Jan 30, 2020 as application 16/777,277 · Granted Sep 27, 2022
Base term plus 316 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2010 2031
Clock starts
Nov 5, 2010
Term ends
Sep 17, 2031
Granted
Sep 27, 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
316
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 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
7
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 316 days past its 20-year base term on prosecution delay. 1 of 2 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 5, 2010, when application PCT/US2010/055646, the earliest non-provisional in its chain, was filed (this one was filed Jan 30, 2020)Nov 5, 2030High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+316 days, USPTO patent term adjustment recordSep 17, 2031High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderSep 17, 2031High confidence

This family

Application PCT/US2010/055646PCT application
no patent term
no patent term
US 8,672,942In force
Nov 2030
Nov 2030
US 9,370,436In force
Nov 2030
Nov 2030
US 10,045,863In force
Nov 2030
Nov 2030
US 10,588,757In force
Nov 2030
Nov 2030
US 11,452,621this patent
Sep 2031
Sep 2031
US 12,403,021In force
Apr 2032
Apr 2032
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
Mar 2, 2020
Reel 52064, frame 788
Chamberlin, Chris; Diehl, Eric K.; Bernero, John; Lam, Vincent; Orand, AustinM3 Design Inc.Assignment of Assignor's Interest
Mar 2, 2020
Reel 52065, frame 434
Veldkamp, David; Heffernan, Eric M.Tekna Inc.Assignment of Assignor's Interest
Mar 2, 2020
Reel 52065, frame 579
Stratton, Dennis A.; Goldenberg, David S.Stryker CorporationAssignment of Assignor's Interest
Mar 2, 2020
Reel 52065, frame 746
Tekna Inc.Stryker CorporationAssignment of Assignor's Interest
Mar 2, 2020
Reel 52065, frame 753
M3 Design Inc.Stryker 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