The Patent Finder
US

Ink-Based Layer Fabrication Using Halftoning to Control Thickness

US 8,995,022 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Jan 23, 2020 (Sino Xin Ji Limited).

Term ends Aug 12, 2034 · High confidence

Filed Aug 12, 2014 as application 14/458,005 · Granted Mar 31, 2015
Base term, 20 years from filing
Today
20 years from filing
2014 2034
Clock starts
Aug 12, 2014
Term ends
Aug 12, 2034
Granted
Mar 31, 2015
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.
3 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.
36
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. All three maintenance fees are recorded paid; no more fees are due. 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 Aug 12, 2014, when this application, 14/458,005, was filedAug 12, 2034High 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 events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderAug 12, 2034High confidence

This family

Application PCT/US2013/077720PCT application
no patent term
no patent term
US 9,010,899In force
Dec 2033
Dec 2033
Application PCT/US2014/035193PCT application
no patent term
no patent term
US 9,352,561In force
Dec 2033
Dec 2033
US 9,495,644In force
May 2035
May 2035
US 8,995,022this patent
Aug 2034
Aug 2034
US 9,496,519In force
Dec 2034
Dec 2034
US 9,224,952In force
Dec 2033
Dec 2033
8 of 36 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 13, 2014
Reel 33524, frame 208
Vronsky, Eliyahu; Harjee, NahidKateeva, Inc.Assignment of Assignor's Interest
Apr 4, 2019
Reel 48806, frame 639
Kateeva, Inc.East West BankSecurity Interest
Sep 26, 2019
Reel 50501, frame 502
Vronsky, Eliyahu; Harjee, NahidKateeva, Inc.Assignment of Assignor's Interest
Jan 22, 2020
Reel 51664, frame 802
East West Bank, a California Banking CorporationKateeva, Inc.Release of Security Interest
Jan 23, 2020
Reel 51682, frame 212
Kateeva, Inc.Sino Xin Ji LimitedSecurity Agreement
Mar 17, 2022
Reel 59382, frame 53
Kateeva, Inc.; Kateeva Cayman Holding, Inc.Sino Xin Ji LimitedSecurity Interest
Apr 19, 2022
Reel 59727, frame 111
Kateeva Cayman Holding, Inc.HB Solution Co., Ltd.Security 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