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Range Exhaust Cleaning System

US 7,832,391 In force
OverviewFamilyAssignmentsSources & methods

Also listed on Restaurant Technologies, Inc., an earlier holder on the record. The recorded assignments below show how it moved.

Collateral for a security interest recorded Oct 9, 2026 (BMO Bank N.A.).

Term ends Nov 5, 2027 · High confidence

Filed Mar 10, 2006 as application 11/373,474 · Granted Nov 16, 2010
Base term plus 605 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2006 2027
Clock starts
Mar 10, 2006
Term ends
Nov 5, 2027
Granted
Nov 16, 2010
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
605
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.
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 605 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 Mar 10, 2006, when this application, 11/373,474, was filedMar 10, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+605 days, USPTO patent term adjustment recordNov 5, 2027High 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 orderNov 5, 2027High confidence

This family

US 7,832,391this patent
Nov 2027
Nov 2027
US 8,316,839Term ended
Apr 2026
Apr 2026
US 8,746,231Term ended
Mar 2026
Mar 2026
Application 14/299,356Abandoned
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
Jun 29, 2006
Reel 17874, frame 192
Kellogg, David Alan; Smieja, David Paul; Bruns, Ryan DietrichKellogg, Bruns, Smieja, LLCAssignment of Assignor's Interest
Sep 29, 2011
Reel 26999, frame 926
Kellogg, Bruns & Smieja, LLCKBS Automist, LLCAssignment of Assignor's Interest
Mar 17, 2014
Reel 32458, frame 886
Kellogg, Bruns, Smieja, LLCKBS Automist, LLCCorrective Assignment to Correct the the Name of the Assignor Previously Recorded on Reel 026999 Frame 0926. Assignor(S) Hereby Confirms the Assignment.
Mar 17, 2014
Reel 32525, frame 360
Kellogg, Bruns, Smieja, LLCKBS Automist, LLCCorrective Document to Correct Assignment R/F 026999/0926.
Apr 30, 2015
Reel 35533, frame 808
Restaurant Technologies, Inc.General Electric Capital Corporation, as Administrative AgentSecurity Interest
May 28, 2015
Reel 35732, frame 562
KBS Automist, LLCRestaurant Technologies, Inc.Assignment of Assignor's Interest
Nov 28, 2016
Reel 40431, frame 421
Restaurant Technologies, Inc.Antares Capital LP, as Administrative AgentSecurity Interest
Nov 28, 2016
Reel 40434, frame 456
General Electric Company, Successor in Interest by Merger to General Electric Capital Corporation, as AgentRestaurant Technologies, Inc.Release of Security Interest
Nov 28, 2016
Reel 40693, frame 716
Restaurant Technologies, Inc.Antares Capital LP, as Administrative AgentSecurity Interest (Second Lien)
Oct 2, 2018
Reel 47176, frame 231
Antares Capital LPRestaurant Technologies, Inc.Release (REEL 040431 / Frame 0421)
Oct 2, 2018
Reel 47176, frame 304
Antares Capital LPRestaurant Technologies, Inc.Release (REEL 040693 / Frame 0716)
Oct 3, 2018
Reel 47186, frame 637
Restaurant Technologies, Inc.Royal Bank of Canada, as Collateral AgentSecurity Agreement
Oct 4, 2018
Reel 47190, frame 953
Restaurant Technologies, Inc.Royal Bank of Canada, as Collateral AgentSecurity Agreement
Apr 4, 2022
Reel 59580, frame 427
Restaurant Technologies, Inc.Morgan Stanley Senior Funding, Inc., as AgentSecurity Agreement
Apr 4, 2022
Reel 59592, frame 415
Royal Bank of CanadaRestaurant Technologies, Inc.Release of First Lien Patent Security Interests
Apr 4, 2022
Reel 59592, frame 425
Royal Bank of CanadaRestaurant Technologies, Inc.Release of Second Lien Patent Security Intersts
Aug 12, 2026
Reel 76207, frame 487
Morgan Stanley Senior Funding, Inc., as AgentRestaurant Technologies, Inc.Release of Security Interest in Specified Patents
Sep 3, 2026
Reel 75897, frame 665
Restaurant Technologies, Inc.Kept Companies, Inc.Assignment of Assignor's Interest
Oct 9, 2026
Reel 76325, frame 879
Kept Companies, Inc.Bmo Bank N.a., As Administrative AgentSecurity 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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