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Compressor Diagnostic and Protection System

US 7,412,842 Term ended
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Jul 17, 2023 (Royal Bank of Canada).

Term ended Jan 5, 2026 · High confidence

Held by Copeland LP
Filed Feb 16, 2005 as application 11/059,646 · Granted Aug 19, 2008
Base term plus 323 days of patent term adjustment (USPTO delay)
Today
20 years from filing
Term ended Jan 5, 2026
2005 2026
Clock starts
Feb 16, 2005
Term ended
Jan 5, 2026
Granted
Aug 19, 2008
base term patent term adjustment 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
323
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.
9
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 323 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 Feb 16, 2005, when this application, 11/059,646, was filedFeb 16, 2025High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+323 days, USPTO patent term adjustment recordJan 5, 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 orderJan 5, 2026High confidence

This family

US 7,412,842this patent
Jan 2026
Jan 2026
US 7,458,223Term ended
Aug 2026
Aug 2026
US 7,878,006In force
Nov 2026
Nov 2026
US 7,484,376Term ended
no later than Jun 2026
no later than Jun 2026
US 7,905,098Term ended
Aug 2026
Aug 2026
US 8,474,278Term ended
Sep 2025
Sep 2025
US 9,121,407Term ended
Feb 2025
Feb 2025
US 9,669,498Term ended
May 2025
May 2025
8 of 9 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
May 13, 2005
Reel 16566, frame 54
Pham, Hung M.Copeland CorporationAssignment of Assignor's Interest
Apr 26, 2007
Reel 19215, frame 273
Copeland CorporationEmerson Climate Technologies, Inc.Certificate of Conversion, Articles of Formation and Assignment
Jun 22, 2023
Reel 64058, frame 724
Emerson Climate Technologies, Inc.Copeland LPEntity Conversion
Jul 17, 2023
Reel 64278, frame 598
Copeland LPRoyal Bank of Canada, as Collateral AgentSecurity Interest
Jul 17, 2023
Reel 64279, frame 327
Copeland LPU.S. Bank Trust Company, National Association, as Notes Collateral AgentSecurity Interest
Jul 17, 2023
Reel 64280, frame 695
Copeland LPWells Fargo Bank, National Association, as Collateral AgentSecurity Interest
Jul 9, 2024
Reel 68241, frame 264
Copeland LPU.S. Bank Trust Company, National Association, as Notes Collateral 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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