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US

Pressure Release Slide Latch Mechanism

US 9,648,952 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Aug 28, 2017 (Top Knobs USA, Inc.).

Term ends Jun 14, 2032 · High confidence

Filed Dec 11, 2014 as application 14/566,917 · Granted May 16, 2017
Base term plus 45 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2012 2032
Clock starts
Apr 30, 2012
Term ends
Jun 14, 2032
Granted
May 16, 2017
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
45
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
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 45 days past its 20-year base term on prosecution delay. 2 of 3 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 Apr 30, 2012, when application 13/460,197, the earliest non-provisional in its chain, was filed (this one was filed Dec 11, 2014)Apr 30, 2032High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+45 days, USPTO patent term adjustment recordJun 14, 2032High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJun 14, 2032High confidence

This family

Application 13/460,197Abandoned
not computed
not computed
US 9,750,347In force
May 2032
May 2032
US 9,648,952this patent
Jun 2032
Jun 2032
Application 15/595,271Abandoned
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
Dec 11, 2014
Reel 34477, frame 679
Nuckolls, GrantHardware Resources, Inc.Assignment of Assignor's Interest
Apr 7, 2016
Reel 38385, frame 515
Top Knobs USA, Inc.; Hardware Resources, Inc.Wilmington Trust, National Association, as Administrative AgentSecond Lien Patent Security Agreement
Apr 7, 2016
Reel 38387, frame 362
Top Knobs USA, Inc.; Hardware Resources, Inc.Antares Capital LP, as Administrative AgentFirst Lien Patent Security Agreement
Aug 25, 2017
Reel 43676, frame 629
Hardware Resources, Inc.Deutsche Bank AG New York Branch as Collateral AgentFirst Lien Security Agreement
Aug 28, 2017
Reel 43687, frame 111
Hardware Resources, Inc.Deutsche Bank AG New York Branch, as Collateral AgentSecond Lien Security Agreement
Aug 28, 2017
Reel 43695, frame 802
Antares Capital LPTop Knobs USA, Inc.; Hardware Resources, Inc.Security Interest
Aug 28, 2017
Reel 43696, frame 104
Wilmington Trust, National AssociationTop Knobs USA, Inc.; Hardware Resources, Inc.Release of Security Interest
Aug 28, 2017
reel/frame not recorded
Antares Capital LPTop Knobs USA, Inc.Security Interest
Aug 28, 2017
reel/frame not recorded
Antares Capital LPHardware Resources, Inc.Security Interest
Aug 28, 2017
reel/frame not recorded
Wilmington Trust, National AssociationTop Knobs USA, Inc.Release of Security Interest
Aug 28, 2017
reel/frame not recorded
Wilmington Trust, National AssociationHardware Resources, Inc.Release of Security Interest
Dec 28, 2020
Reel 54857, frame 272
Primesource Building Products, Inc.; Hardware Resources, Inc.; Top Knobs USA, Inc.; Watermark Designs, LLCDeutsche Bank AG New York Branch, as Collateral AgentFirst Lien Intellectual Property Security Agreement
Dec 28, 2020
Reel 54857, frame 356
Primesource Building Products, Inc.; Hardware Resources, Inc.; Top Knobs USA, Inc.; Watermark Designs, LLCDeutsche Bank AG New York Branch, as Collateral AgentAbl Intellectual Property Security Agreement
Dec 29, 2020
Reel 54861, frame 189
Deutsche Bank AG New York BranchHardware Resources, Inc.; Top Knobs USA, Inc.Release of Security Interests (Second Lien)
Dec 29, 2020
Reel 54874, frame 222
Deutsche Bank AG New York BranchHardware Resources, Inc.; Top Knobs USA, Inc.Release of Security Interests (First Lien)
Dec 29, 2020
reel/frame not recorded
Deutsche Bank AG New York BranchHardware Resources, Inc.Release of Security Interests (Second Lien)
Dec 29, 2020
reel/frame not recorded
Deutsche Bank AG New York BranchTop Knobs USA, Inc.Release of Security Interests (Second Lien)
Dec 29, 2020
reel/frame not recorded
Deutsche Bank AG New York BranchHardware Resources, Inc.Release of Security Interests (First Lien)
Dec 29, 2020
reel/frame not recorded
Deutsche Bank AG New York BranchTop Knobs USA, Inc.Release of Security Interests (First Lien)
Jan 8, 2021
Reel 54940, frame 444
Antares Capital LPTop Knobs USA, Inc.; Hardware Resources, Inc.Corrective Assignment to Correct the Nature of the Conveyance from Security Interest to Release of First Lien Patent Security Agreement Previously Recorded on Reel 043695 Frame 0802. Assignor(S) Hereby Confirms the Release of Security Interest.
Jan 8, 2021
reel/frame not recorded
Antares Capital LPTop Knobs USA, Inc.Corrective Assignment to Correct the Nature of the Conveyance from Security Interest to Release of First Lien Patent Security Agreement Previously Recorded on Reel 043695 Frame 0802. Assignor(S) Hereby Confirms the Release of Security Interest.
Jan 8, 2021
reel/frame not recorded
Antares Capital LPHardware Resources, Inc.Corrective Assignment to Correct the Nature of the Conveyance from Security Interest to Release of First Lien Patent Security Agreement Previously Recorded on Reel 043695 Frame 0802. Assignor(S) Hereby Confirms the Release of Security Interest.
Oct 3, 2025
Reel 72996, frame 843
Primesource Building Products, Inc.; Watermark Designs, LLC; Hardware Resources, Inc.; Top Knobs USA, Inc.; Nationwide Industries, LLC; WSB Hardware, Inc.Wilmington Trust, National Association, as Notes Collateral AgentFirst Lien Intellectual Property Security Agreement
Oct 23, 2025
Reel 73191, frame 683
Primesource Building Products, Inc.; Watermark Designs, LLC; Hardware Resources, Inc.; Top Knobs USA, Inc.; Nationwide Industries, LLC; WSB Hardware, Inc.Wilmington Trust, National Association, as Notes Collateral AgentSecond Lien Intellectual Property Security Agreement

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.

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