The Patent Finder
US

Multi-Sensor Quality Inference and Control for Additive Manufacturing Processes

US 11,478,854 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Jan 30, 2025 (Rochefort Management LLC).

Term ends Nov 18, 2035 · Medium confidence

Why Medium: A parent in the chain could not be resolved.

Filed Aug 7, 2020 as application 16/987,969 · Granted Oct 25, 2022
Base term, 20 years from filing
Today
20 years from filing
2015 2035
Clock starts
Nov 18, 2015
Term ends
Nov 18, 2035
Granted
Oct 25, 2022
base term fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 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.
1 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.
5
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. 1 of 3 maintenance fees is paid so far. Confidence: Medium. 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 18, 2015, when application 14/945,247, the earliest non-provisional in its chain, was filed (this one was filed Aug 7, 2020); a parent in its chain could not be resolved (the next row)Nov 18, 2035High 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 capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderNov 18, 2035Medium confidence

This family

US 10,786,948In force
Apr 2037
Apr 2037
Application PCT/US2015/061420PCT application
no patent term
no patent term
US 11,478,854this patent
Nov 2035
Nov 2035
US 11,931,956In force
Nov 2035
Nov 2035
US 12,296,533In force
Nov 2035
Nov 2035
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 16, 2020
Reel 54079, frame 183
Dave, Vivek R.; Clark, David D.; Roybal, Matias; Cola, Mark J.; Piltch, Martin S.; Madigan, R. Bruce; Castro, AlbertoSigma Labs, Inc.Assignment of Assignor's Interest
Jan 24, 2024
Reel 66365, frame 316
Sigma Labs, Inc.Divergent Technologies, Inc.Assignment of Assignor's Interest
May 30, 2024
Reel 67569, frame 171
Divergent Technologies, Inc.Western Alliance BankSecurity Interest
Jan 29, 2025
Reel 70048, frame 543
Western Alliance BankDivergent Technologies, Inc.Release of Security Interest
Jan 30, 2025
Reel 70074, frame 290
Divergent Technologies, Inc.; CZV, Inc.Rochefort Management LLCSecurity Interest
Sep 3, 2025
Reel 73006, frame 590
Rochefort Management LLCAcquiom Agency Services LLCSecurity 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 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited