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Projection Apparatus Comprising Phosphor Wheel Coated with Phosphor Agent

US 10,281,810 In force, term unresolved
OverviewFamilyAssignmentsSources & methods

Term ends no later than Sep 14, 2032 · Low confidence

In force on USPTO's status record and by its fee record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.

Filed Nov 17, 2017 as application 15/816,202 · Granted May 7, 2019
Base term, 20 years from filing
Today
20 years from filing
2012 2032
Clock starts
Sep 14, 2012
Ends no later than
Sep 14, 2032
Granted
May 7, 2019
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
None
Term adjustment
No prosecution delay on this record.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
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.
7
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 is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 2 of 3 maintenance fees are paid so far. Confidence: Low. 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 14, 2012, when application 13/617,201, the earliest non-provisional in its chain, was filed (this one was filed Nov 17, 2017); a parent in its chain could not be resolved (the next row)Sep 14, 2032High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer on file (approved), reference document not resolvedno cap applied, and none guessedMedium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderno later than Sep 14, 2032Low confidence

This family

US 9,024,241In force
Dec 2032
Dec 2032
US 9,274,407In force
Sep 2032
Sep 2032
US 9,726,335In force
Oct 2032
Oct 2032
US 10,310,363In force
Sep 2032
Sep 2032
US 10,281,810this patent
no later than Sep 2032
no later than Sep 2032
US 10,688,527In force
Sep 2032
Sep 2032
US 10,758,937In force
Sep 2032
Sep 2032
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
Nov 17, 2017
Reel 44482, frame 604
Wang, Bor; Chang, Keh-su; Hua, Chien-haoDelta Electronics, 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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