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Devices and Methods for Reducing Vehicle Drag

US 8,684,447 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded May 13, 2019 (Smarttruck Systems, LLC).

Lapsed Apr 1, 2026 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Held by Transtex LLC
Filed Oct 15, 2010 as application 12/905,674 · Granted Apr 1, 2014
Base term, 20 years from filing, plus 515 days of patent term adjustment (USPTO delay)
Today
Lapsed Apr 1, 2026
2010 2031
Clock starts
May 6, 2010
No longer in force
Apr 1, 2026
Granted
Apr 1, 2014
Term would have run to
Oct 3, 2031
base term patent term adjustment after the term ends 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
515
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.
9
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

Its term would have run to Oct 3, 2031: its 20-year base term plus 515 days of term adjustment for prosecution delay. 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 May 6, 2010, when application 12/775,095, the earliest non-provisional in its chain, was filed (this one was filed Oct 15, 2010)May 6, 2030High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+515 days, USPTO patent term adjustment recordOct 3, 2031High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Apr 1, 2026High confidence
Computed term endThe steps above, in orderApr 1, 2026High confidence

This family

US 8,342,595Lapsed on the fee record
Jan 2025
Jan 2025
US 8,251,436In force
May 2030
May 2030
US 8,684,447this patent
Apr 2026
Apr 2026
Application PCT/US2011/035124PCT application
no patent term
no patent term
Application PCT/US2011/038682PCT application
no patent term
no patent term
Application PCT/US2011/055673PCT application
no patent term
no patent term
US 8,491,036In force
May 2030
May 2030
US 8,783,757In force
May 2030
May 2030
8 of 9 applications in this family shown, earliest filings first. 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 9, 2010
Reel 25483, frame 362
Henderson, Michael Lorenzo; Wulff, Stephen AlfredHenderson Industries, LLCAssignment of Assignor's Interest
Sep 10, 2012
Reel 28925, frame 498
Henderson Industries, LLCSmarttruck Systems, LLCChange of Name
Feb 8, 2013
Reel 29777, frame 826
Smarttruck Systems, LLCComerica Bank, a Texas Banking AssociationSecurity Agreement
Mar 26, 2019
Reel 48697, frame 847
Comerica BankRMB Holdings, LLCSecurity Interest
Apr 12, 2019
Reel 48868, frame 150
RMB Holdings, LLCSmarttruck Systems, LLC; Smarttruck Undertray Systems, LLCSecurity Interest
Apr 12, 2019
Reel 48872, frame 81
Smarttruck Systems, LLCTranstex LLCAssignment of Assignor's Interest
Apr 12, 2019
Reel 48872, frame 198
Smarttruck Undertray Systems, LLCTranstex LLCAssignment of Assignor's Interest
Apr 12, 2019
reel/frame not recorded
RMB Holdings, LLCSmarttruck Systems, LLCSecurity Interest
Apr 12, 2019
reel/frame not recorded
RMB Holdings, LLCSmarttruck Undertray Systems, LLCSecurity Interest
May 13, 2019
Reel 49159, frame 398
RMB Holdings, LLCSmarttruck Systems, LLC; Smarttruck Undertray Systems, LLCCorrective Assignment to Correct the Nature of Conveyance Previously Recorded on Reel 048868 Frame 0150. Assignor(S) Hereby Confirms the Security Interest.
May 13, 2019
reel/frame not recorded
RMB Holdings, LLCSmarttruck Systems, LLCCorrective Assignment to Correct the Nature of Conveyance Previously Recorded on Reel 048868 Frame 0150. Assignor(S) Hereby Confirms the Security Interest.
May 13, 2019
reel/frame not recorded
RMB Holdings, LLCSmarttruck Undertray Systems, LLCCorrective Assignment to Correct the Nature of Conveyance Previously Recorded on Reel 048868 Frame 0150. Assignor(S) Hereby Confirms the Security Interest.
Jun 26, 2020
Reel 53045, frame 548
Transtex LLCBDC Capital Inc.Security Interest
Jul 29, 2022
Reel 60671, frame 235
Transtex LLCBank of MontrealSecurity Interest
Jun 21, 2024
Reel 67802, frame 50
BDC Capital Inc.Transtex L.L.C., a Corporation of IndianaRelease of Security Interest
Jul 1, 2024
Reel 68104, frame 242
Transtex LLCBank of MontrealAmended Security Interest
Feb 9, 2026
Reel 73736, frame 429
Transtex LLCBank of MontrealSecurity 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.

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