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US

Air-Cooled Condenser System

US 11,204,201 In force
OverviewFamilyAssignmentsSources & methods

Term ends Sep 8, 2039 · High confidence

Filed Sep 26, 2018 as application 16/142,246 · Granted Dec 21, 2021
Base term plus 347 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2018 2039
Clock starts
Sep 26, 2018
Term ends
Sep 8, 2039
Granted
Dec 21, 2021
base term patent term adjustment 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
347
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
11
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 347 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is paid so far. 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 Sep 26, 2018, when this application, 16/142,246, was filedSep 26, 2038High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+347 days, USPTO patent term adjustment recordSep 8, 2039High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderSep 8, 2039High confidence

This family

US 10,847,274In force
Jun 2038
Jun 2038
US 11,187,471In force
Apr 2039
Apr 2039
US 11,204,201this patent
Sep 2039
Sep 2039
US 11,306,972In force
Feb 2039
Feb 2039
Application PCT/US2019/026898PCT application
no patent term
no patent term
US 11,512,902In force
Apr 2040
Apr 2040
US 11,410,784In force
Nov 2040
Nov 2040
US 11,488,737In force
Nov 2040
Nov 2040
8 of 11 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
Sep 26, 2018
Reel 46976, frame 236
Singh, Krishna P.Holtec InternationalAssignment 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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