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Zoned Vaporizer

US 9,894,936 In force
OverviewFamilyAssignmentsSources & methods

Term ends May 21, 2036 · High confidence

Filed Feb 17, 2016 as application 15/045,442 · Granted Feb 20, 2018
Base term plus 94 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2016 2036
Clock starts
Feb 17, 2016
Term ends
May 21, 2036
Granted
Feb 20, 2018
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
94
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
17
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 94 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are 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 Feb 17, 2016, when this application, 15/045,442, was filedFeb 17, 2036High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+94 days, USPTO patent term adjustment recordMay 21, 2036High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMay 21, 2036High confidence

This family

US 9,894,936this patent
May 2036
May 2036
US 10,076,137In force
Dec 2036
Dec 2036
US 10,299,515In force
Feb 2036
Feb 2036
US 10,986,872In force
Sep 2036
Sep 2036
US 10,893,707In force
Apr 2036
Apr 2036
US 11,770,877In force
Jun 2037
Jun 2037
US 11,647,566In force
Sep 2036
Sep 2036
US 11,979,949In force
Feb 2036
Feb 2036
8 of 17 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
Oct 6, 2025
Reel 72483, frame 568
Krietzman, Mark H.Hillcrest First LLCAssignment of Assignor's Interest
Oct 28, 2025
Reel 73284, frame 592
Hillcrest First LLCPhilip Morris Products S.A.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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