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Radio Frequency Switch

US 7,605,674 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Oct 20, 2017 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Held by KMW, Inc.
Filed May 8, 2008 as application 12/151,681 · Granted Oct 20, 2009
Base term, 20 years from filing
Today
Lapsed Oct 20, 2017
2005 2026
Clock starts
Nov 30, 2005
No longer in force
Oct 20, 2017
Granted
Oct 20, 2009
Term would have run to
Nov 30, 2025
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.
1 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.
19
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 Nov 30, 2025: 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 Nov 30, 2005, when application PCT/KR2005/004068, the earliest non-provisional in its chain, was filed (this one was filed May 8, 2008)Nov 30, 2025High 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 events1 of 3 maintenance fees paidlapsed Oct 20, 2017High confidence
Computed term endThe steps above, in orderOct 20, 2017High confidence

This family

US 7,177,667Lapsed on the fee record
Feb 2019
Feb 2019
US 7,234,948Lapsed on the fee record
Jun 2019
Jun 2019
US 8,046,027In force
no later than Jan 2029
no later than Jan 2029
Application 12/006,996Abandoned
not computed
not computed
US 7,564,323Term ended
Nov 2025
Nov 2025
US 7,605,674this patent
Oct 2017
Oct 2017
US 8,004,844Lapsed on the fee record
Aug 2019
Aug 2019
Application 12/484,379Abandoned
not computed
not computed
8 of 19 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
Aug 4, 2008
Reel 21346, frame 16
Kim, Duk-yongKMW, Inc.Assignment 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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