The Patent Finder
US

Lock-Out Device and Method

US 9,708,172 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Jul 6, 2023 (Bank of America, N.A.).

Term ends Mar 31, 2027 · High confidence

Filed Jul 27, 2015 as application 14/810,190 · Granted Jul 18, 2017
Base term plus 135 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2006 2027
Clock starts
Nov 16, 2006
Term ends
Mar 31, 2027
Granted
Jul 18, 2017
base term patent term adjustment fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
135
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 9,090,450, to Mar 31, 2027. The term already ends on or before that date, so the cap shortened nothing.
2 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.
4
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 135 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 2 of 2 maintenance fees are 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 16, 2006, when application PCT/US2006/060957, the earliest non-provisional in its chain, was filed (this one was filed Jul 27, 2015)Nov 16, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+135 days, USPTO patent term adjustment recordMar 31, 2027High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 9,090,450)resolves to Mar 31, 2027, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMar 31, 2027High confidence

This family

Application PCT/US2006/060957PCT application
no patent term
no patent term
US 9,090,450In force
Apr 2030
Apr 2030
US 9,708,172this patent
Mar 2027
Mar 2027
US 10,301,168In force
Nov 2026
Nov 2026
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
Apr 12, 2017
Reel 41986, frame 225
Reimann, Kirk M.; Simpson, William E.; Trafelet, Nancy D.; Swain, Andy; Holden, David; Crossdale, Garry W.; Haworth, Brian D.; Heijden, Bert Van Der; Webb, Christopher J.Johnsondiversey, Inc.Assignment of Assignor's Interest
Apr 12, 2017
Reel 42238, frame 492
Johnsondiversey, Inc.Diversey, Inc.Change of Name
Feb 9, 2018
Reel 45300, frame 141
Diversey, Inc.; The Butcher CompanyCredit Suisse AG, Cayman Islands Branch, as Collateral AgentSecurity Agreement
Jul 6, 2023
Reel 64222, frame 751
Birko Corporation; Solenis Technologies, L.p.; Innovative Water Care, LLC; Diversey, Inc.; Diversey Taski, Inc.Bank Of America, N.a.Abl Patent Security Agreement
Jul 6, 2023
Reel 64223, frame 526
Birko Corporation; Solenis Technologies, L.p.; Innovative Water Care, LLC; Diversey, Inc.; Diversey Taski, Inc.Goldman Sachs Bank USATerm Loan Patent Security Agreement
Jul 7, 2023
Reel 64225, frame 170
Birko Corporation; Solenis Technologies, L.p.; Innovative Water Care, LLC; Diversey, Inc.; Diversey Taski, Inc.; Innovative Water Care Global CorporationBank of New York Mellon Trust Company, N.A.2023 Notes Patent Security Agreement
Jul 7, 2023
Reel 64225, frame 576
Birko Corporation; Solenis Technologies, L.p.; Innovative Water Care, LLC; Diversey, Inc.; Diversey Taski, Inc.Bank of New York Mellon Trust Company, N.A.2021 Notes Patent Security Agreement
Jul 7, 2023
Reel 64348, frame 235
Birko Corporation; Solenis Technologies, L.p.; Innovative Water Care, LLC; Diversey, Inc.; Diversey Taski, Inc.Bank of New York Mellon Trust Company, N.A.Notes Patent Security Agreement
Jul 10, 2023
Reel 64236, frame 722
Credit Suisse AG, Cayman Islands BranchDiversey, Inc.; The Butcher CompanyRelease of Security Agreement Reel/Frame 045300/0141
Jul 10, 2023
reel/frame not recorded
Credit Suisse AG, Cayman Islands BranchDiversey, Inc.Release of Security Agreement Reel/Frame 045300/0141
Jul 10, 2023
reel/frame not recorded
Credit Suisse AG, Cayman Islands BranchThe Butcher CompanyRelease of Security Agreement Reel/Frame 045300/0141
Jun 24, 2024
Reel 67824, frame 278
Birko Corporation; Diversey, Inc.; Diversey Taski, Inc.; Innovative Water Care, LLC; Solenis Technologies, L.p.The Bank of New York Mellon Trust Company, N.A., as Notes Collateral AgentSecurity Agreement (2024 Notes)
Oct 10, 2025
Reel 73061, frame 885
Diversey, Inc.; Diversey Taski, Inc.; Innovative Water Care, LLC; Solenis Technologies, L.p.The Bank of New York Mellon Trust Company, N.A., as Notes Collateral AgentSecurity Agreement (NOTES)
Oct 10, 2025
Reel 73074, frame 198
The Bank of New York Mellon Trust Company, N.A.Birko Corporation; Diversey, Inc.; Diversey Taski, Inc.; Innovative Water Care, LLC; Solenis Technologies, L.p.Release of 2023 Notes Patent Security Interests
Oct 10, 2025
reel/frame not recorded
The Bank of New York Mellon Trust Company, N.A.Birko CorporationRelease of 2023 Notes Patent Security Interests
Oct 10, 2025
reel/frame not recorded
The Bank of New York Mellon Trust Company, N.A.Diversey, Inc.Release of 2023 Notes Patent Security Interests
Oct 10, 2025
reel/frame not recorded
The Bank of New York Mellon Trust Company, N.A.Diversey Taski, Inc.Release of 2023 Notes Patent Security Interests
Oct 10, 2025
reel/frame not recorded
The Bank of New York Mellon Trust Company, N.A.Innovative Water Care, LLCRelease of 2023 Notes Patent Security Interests
Oct 10, 2025
reel/frame not recorded
The Bank of New York Mellon Trust Company, N.A.Solenis Technologies, L.p.Release of 2023 Notes Patent Security Interests
Nov 14, 2025
Reel 73570, frame 838
Chem-Aqua, Inc.; Diversey, Inc.; Diversey Taski, Inc.; Innovative Water Care, LLC; NCH Corporation; NCH Life Sciences LLC; Solenis Technologies, L.p.The Bank of New York Mellon Trust Company, N.A., as Notes Collateral AgentSecurity Interest
Nov 14, 2025
Reel 73564, frame 864
The Bank of New York Mellon Trust Company, N.A., as Notes Collateral AgentBirko Corporation; Diversey, Inc.; Diversey Taski, Inc.; Innovative Water Care, LLC; Solenis Technologies, L.p.Release of Security Interest
Nov 14, 2025
reel/frame not recorded
The Bank of New York Mellon Trust Company, N.A., as Notes Collateral AgentBirko CorporationRelease of Security Interest
Nov 14, 2025
reel/frame not recorded
The Bank of New York Mellon Trust Company, N.A., as Notes Collateral AgentDiversey, Inc.Release of Security Interest
Nov 14, 2025
reel/frame not recorded
The Bank of New York Mellon Trust Company, N.A., as Notes Collateral AgentDiversey Taski, Inc.Release of Security Interest
Nov 14, 2025
reel/frame not recorded
The Bank of New York Mellon Trust Company, N.A., as Notes Collateral AgentInnovative Water Care, LLCRelease of Security Interest
Nov 14, 2025
reel/frame not recorded
The Bank of New York Mellon Trust Company, N.A., as Notes Collateral AgentSolenis Technologies, L.p.Release 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 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited