The Patent Finder
US

HVAC Zone Control Panel

US 7,904,830 In force, term unresolved
OverviewFamilyAssignmentsSources & methods

Term ends no later than Nov 5, 2028 · Medium confidence

In force on USPTO's status record and by its fee record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.

Filed Apr 9, 2007 as application 11/697,771 · Granted Mar 8, 2011
Base term plus 706 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2006 2028
Clock starts
Nov 30, 2006
Ends no later than
Nov 5, 2028
Granted
Mar 8, 2011
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
706
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
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.
15
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 706 days past its 20-year base term on prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. All three maintenance fees are recorded paid; no more fees are due. Confidence: Medium. 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 30, 2006, when application 11/564,879, the earliest non-provisional in its chain, was filed (this one was filed Apr 9, 2007)Nov 30, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+706 days, USPTO patent term adjustment recordNov 5, 2028High confidence
Terminal disclaimer capDisclaimer on file (approved), reference document not resolvedno cap applied, and none guessedMedium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderno later than Nov 5, 2028Medium confidence

This family

US 7,693,591In force
Aug 2027
Aug 2027
Application 11/733,004Abandoned
not computed
not computed
US 7,904,830this patent
no later than Nov 2028
no later than Nov 2028
US 7,693,583In force
Dec 2026
Dec 2026
US 7,558,648In force
Nov 2026
Nov 2026
US 7,913,180In force
no later than Nov 2028
no later than Nov 2028
US 9,310,091In force
Feb 2031
Feb 2031
US 10,145,578In force
Jun 2027
Jun 2027
8 of 15 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
Apr 24, 2007
Reel 19200, frame 116
Hoglund, Steven R.; Schwendinger, Paul G.; Huang, Jian; Liu, Tony; Paine, BradHoneywell International Inc.Assignment of Assignor's Interest
Jun 21, 2007
Reel 19463, frame 770
Arneson, David J.Honeywell International Inc.Assignment of Assignor's Interest
Oct 26, 2018
Reel 47337, frame 577
Ademco Inc.JPMorgan Chase Bank, N.A., as Administrative AgentSecurity Interest
Dec 11, 2018
Reel 47785, frame 166
Honeywell International Inc.Ademco Inc.Assignment of Assignor's Interest
Jun 12, 2025
Reel 71546, frame 1
Ademco Inc.Resideo LLCChange of Name
Jun 26, 2026
Reel 75831, frame 612
Resideo LLCResideo USA LLCAssignment of Assignor's 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