The Patent Finder
US

System and Method for Multiple Node Display

US 7,224,361 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed May 29, 2019 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Filed Apr 20, 2005 as application 11/110,497 · Granted May 29, 2007
Base term, 20 years from filing
Today
Lapsed May 29, 2019
2004 2026
Clock starts
May 26, 2004
No longer in force
May 29, 2019
Granted
May 29, 2007
Term would have run to
May 26, 2024
base term 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
None
Term adjustment
No prosecution delay on this record.
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.
14
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 May 26, 2024: its 20-year base term, with no 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 26, 2004, when application 10/854,117, the earliest non-provisional in its chain, was filed (this one was filed Apr 20, 2005)May 26, 2024High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed May 29, 2019High confidence
Computed term endThe steps above, in orderMay 29, 2019High confidence

This family

US 7,075,535Lapsed on the fee record
Jul 2018
Jul 2018
US 7,133,054Lapsed on the fee record
Nov 2018
Nov 2018
US 7,042,455Term ended
Jun 2024
Jun 2024
US 7,254,271Term ended
Jun 2024
Jun 2024
US 7,224,361this patent
May 2019
May 2019
US 7,546,419Term ended
Mar 2026
Mar 2026
US 7,912,299Lapsed on the fee record
Mar 2023
Mar 2023
US 7,930,434In force
Dec 2026
Dec 2026
8 of 14 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
Jul 12, 2006
Reel 17921, frame 1
Sand Codex, LLCSeadragon Software, Inc.Merger
Nov 1, 2007
Reel 20052, frame 368
Seadragon Software, Inc.Microsoft CorporationMerger
Dec 9, 2014
Reel 34543, frame 1
Microsoft CorporationMicrosoft Technology Licensing, LLCAssignment of Assignor's Interest
Apr 14, 2016
Reel 38274, frame 224
Blaise Aguera y ArcasSand Codex, 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 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited