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US

Light-Weight Lighting Fixture

US 9,644,820 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Jun 13, 2024 (Bank of America, N.A., as the Collateral Agent).

Term ends Nov 15, 2033 · High confidence

Held by 3FORM, LLC
Filed May 20, 2015 as application 14/646,232 · Granted May 9, 2017
Base term, 20 years from filing
Today
20 years from filing
2013 2033
Clock starts
Nov 15, 2013
Term ends
Nov 15, 2033
Granted
May 9, 2017
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.
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.
21
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. 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 Nov 15, 2013, when application PCT/US2013/070236, the earliest non-provisional in its chain, was filed (this one was filed May 20, 2015)Nov 15, 2033High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh 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 orderNov 15, 2033High confidence

This family

Application PCT/US2013/070236PCT application
no patent term
no patent term
US D761,991In force
Jul 2030
Jul 2030
Application PCT/US2014/065816PCT application
no patent term
no patent term
US 9,644,820this patent
Nov 2033
Nov 2033
Application PCT/US2015/033014PCT application
no patent term
no patent term
US D814,691In force
Apr 2033
Apr 2033
Application 14/767,890Abandoned
not computed
not computed
US D764,095In force
Aug 2031
Aug 2031
8 of 21 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
Jul 22, 2015
Reel 36150, frame 237
Clark, W. Bruce3FORM, LLCAssignment of Assignor's Interest
Nov 17, 2022
Reel 61958, frame 711
3FORM, LLC; 3 Day Blinds LLC; Comfortex Corporation; Defender Screens International LLC; Hunter Douglas Window Designs, LLC; Levolor, Inc.; Vista Products, Inc.; Hunter Douglas Inc.JPMorgan Chase Bank, N.A., as Administrative AgentIntellectual Property Security Agreement
May 1, 2024
Reel 67283, frame 847
Hunter Douglas Industries Switzerland GmbH3FORM, LLCAssignment of Assignor's Interest
May 9, 2024
Reel 67375, frame 581
JPMorgan Chase Bank, N.A., as Administrative Agent3FORM, LLCRelease of Security Interest
Jun 13, 2024
Reel 67725, frame 153
3FORM, LLCBank of America, N.A., as the 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.

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