The Patent Finder
US

Vehicle Armor

US 8,413,567 In force
OverviewAssignmentsSources & methods

Term ends Oct 18, 2031 · High confidence

Filed Apr 28, 2011 as application 13/096,583 · Granted Apr 9, 2013
Base term plus 173 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2011 2031
Clock starts
Apr 28, 2011
Term ends
Oct 18, 2031
Granted
Apr 9, 2013
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
173
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.

This patent's term runs 173 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 28, 2011, when this application, 13/096,583, was filedApr 28, 2031High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+173 days, USPTO patent term adjustment recordOct 18, 2031High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderOct 18, 2031High confidence

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 28, 2011
Reel 26195, frame 682
Luther, Regis; Budd, Walter John; Caballero, Louis; Gerst, David M; Newman, Craig Alan; Kochman, MikeInternational Truck Intellectual Property Company, LLCAssignment of Assignor's Interest
Sep 12, 2012
Reel 28944, frame 730
International Engine Intellectual Property Company, LLC; International Truck Intellectual Property Company, LLC; Navistar International Corporation; Navistar, Inc.JPMorgan Chase Bank, N.A., as Collateral AgentSecurity Agreement
Sep 15, 2015
Reel 36616, frame 243
Navistar International Corporation; International Truck Intellectual Property Company, LLC; International Engine Intellectual Property Company, LLCJPMorgan Chase Bank N.A., as Collateral AgentSecurity Agreement
Nov 10, 2017
Reel 44416, frame 867
JPMorgan Chase Bank, N.A., as Collateral AgentInternational Engine Intellectual Property Company, LLC; International Truck Intellectual Property Company, LLC; Navistar, Inc.; Navistar International CorporationRelease of Security Interest
Nov 10, 2017
Reel 44418, frame 310
Navistar International Corporation; Navistar, Inc.JPMorgan Chase Bank, N.A., as Collateral AgentSecurity Interest
Nov 10, 2017
Reel 44780, frame 456
JPMorgan Chase Bank, N.A., as Collateral AgentNavistar International Corporation; International Truck Intellectual Property Company, LLC; International Engine Intellectual Property Company, LLCRelease of Security Interest
Nov 10, 2017
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Collateral AgentInternational Engine Intellectual Property Company, LLCRelease of Security Interest
Nov 10, 2017
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Collateral AgentInternational Truck Intellectual Property Company, LLCRelease of Security Interest
Nov 10, 2017
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Collateral AgentNavistar, Inc.Release of Security Interest
Nov 10, 2017
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Collateral AgentNavistar International CorporationRelease of Security Interest
Jan 2, 2019
Reel 47880, frame 794
Navistar Defense, LLCTCW Asset Management Company LLCSecurity Interest
Jan 16, 2019
Reel 48081, frame 776
Navistar Defense, LLCPNC Bank, National Association, as AgentSecurity Agreement
Apr 25, 2019
Reel 48996, frame 643
International Truck Intellectual Property Company, LLCInternational Truck Intellectual Property Company, LLC; Navistar Defense, LLCAssignment of Assignor's Interest
Apr 25, 2019
reel/frame not recorded
International Truck Intellectual Property Company, LLCInternational Truck Intellectual Property Company, LLCAssignment of Assignor's Interest
Apr 25, 2019
reel/frame not recorded
International Truck Intellectual Property Company, LLCNavistar Defense, LLCAssignment of Assignor's Interest
Oct 16, 2019
Reel 50741, frame 706
International Truck Intellectual Property Company LLCNavistar Defense, LLCCorrective Assignment to Correct the Remove International Truck Intellectual Property Company, LLC as Assignee Previously Recorded on Reel 048996 Frame 0643. Assignor(S) Hereby Confirms the Assignment.
Jul 2, 2021
Reel 56757, frame 136
JPMorgan Chase Bank, N.A., as Administrative AgentInternational Engine Intellectual Property Company, LLC; Navistar, Inc. (F/KA/ International Truck and Engine Corporation); International Truck Intellectual Property Company, LLCRelease of Security Interest
Jul 2, 2021
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Administrative AgentInternational Engine Intellectual Property Company, LLCRelease of Security Interest
Jul 2, 2021
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Administrative AgentNavistar, Inc. (F/KA/ International Truck and Engine Corporation)Release of Security Interest
Jul 2, 2021
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Administrative AgentInternational Truck Intellectual Property Company, LLCRelease of Security Interest
Jan 12, 2022
Reel 58626, frame 406
Pnc Bank, National AssociationNavistar Defense, LLC, as GrantorRelease of Security Interest
Aug 22, 2022
Reel 60862, frame 45
TCW ND Intermediate Holdings, LLC; Navistar Defense, LLCMidcap Funding IV TrustSecurity Interest
May 17, 2024
Reel 67456, frame 879
Navistar Defense LLCND Defense LLCChange of Name

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