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US

E-Cigarette Personal Vaporizer

US 10,149,497 In force
OverviewFamilyAssignmentsSources & methods

Term ends Feb 27, 2035 · High confidence

Held by Ayr Ltd.
Filed Sep 1, 2015 as application 14/842,067 · Granted Dec 11, 2018
Base term plus 260 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
20 years from filing
2015 2035
Clock starts
Feb 27, 2015
Term ends
Feb 27, 2035
Granted
Dec 11, 2018
base term 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
260
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,266,388.
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.
35
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 260 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 27, 2015, when application 14/633,887, the earliest non-provisional in its chain, was filed (this one was filed Sep 1, 2015)Feb 27, 2035High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+260 days, USPTO patent term adjustment recordNov 14, 2035High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 10,266,388)capped to Feb 27, 2035High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderFeb 27, 2035High confidence

This family

US 9,247,773In force
Feb 2035
Feb 2035
US 10,149,497this patent
Feb 2035
Feb 2035
Application 15/253,923Abandoned
not computed
not computed
US 10,081,531In force
Feb 2035
Feb 2035
US 10,285,430In force
Feb 2035
Feb 2035
US 10,099,916In force
Feb 2035
Feb 2035
Application 15/253,986Abandoned
not computed
not computed
US 10,070,662In force
Feb 2035
Feb 2035
8 of 35 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 18, 2016
Reel 39724, frame 635
Beyond Twenty Ltd.Beyond Twenty Ltd.Change of Address
Jan 24, 2019
Reel 48118, frame 422
Beyond Twenty Ltd.Ayr Ltd.Change of Name

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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited