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System and Method for Enhancing Near Vertical Incidence Skywave ("NVIS") Communication Using Space-Time Coding

US 7,885,354 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Nov 6, 2026 · High confidence

Held by Rearden, LLC
Filed Apr 2, 2004 as application 10/817,731 · Granted Feb 8, 2011
Base term plus 948 days of patent term adjustment (USPTO delay)
Today
20 years from filing
Term ended Nov 6, 2026
2004 2026
Clock starts
Apr 2, 2004
Term ended
Nov 6, 2026
Granted
Feb 8, 2011
base term patent term adjustment after the term ends 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
948
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.
49
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 948 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 2, 2004, when this application, 10/817,731, was filedApr 2, 2024High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+948 days, USPTO patent term adjustment recordNov 6, 2026High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidterm endedHigh confidence
Computed term endThe steps above, in orderNov 6, 2026High confidence

This family

US 7,885,354this patent
Nov 2026
Nov 2026
US 7,418,053Term ended
Aug 2026
Aug 2026
Application PCT/US2005/011033PCT application
no patent term
no patent term
US 7,711,030Term ended
Aug 2026
Aug 2026
Application PCT/US2006/041009PCT application
no patent term
no patent term
US 7,599,420Term ended
Jul 2024
Jul 2024
US 7,633,994Term ended
no later than Jul 2024
no later than Jul 2024
US 7,636,381Term ended
no later than Jul 2024
no later than Jul 2024
8 of 49 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 2, 2004
Reel 15184, frame 633
Perlman, Stephen G.; Cotter, Tim S.; Cheponis, Mike; Caimi, Frank M.Rearden Studios, Inc.Assignment of Assignor's Interest
Feb 24, 2005
Reel 15792, frame 332
Rearden Studios, Inc.Rearden, Inc.Change of Name
Aug 9, 2007
Reel 19675, frame 86
Rearden, Inc.Stephen G. Perlman Revocable TrustAssignment of Assignor's Interest
Aug 21, 2007
Reel 19726, frame 420
Stephen G. Perlman Revocable TrustRearden, 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.

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