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US

Polyurethane Resins Having Multiple Mechanisms of Hardening for Use in Producing Three-Dimensional Objects

US 9,453,142 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jun 22, 2035 · High confidence

Held by Carbon, Inc.
Filed Dec 22, 2015 as application 14/977,974 · Granted Sep 27, 2016
Base term, 20 years from filing
Today
20 years from filing
2015 2035
Clock starts
Jun 22, 2015
Term ends
Jun 22, 2035
Granted
Sep 27, 2016
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.
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.
9
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 Jun 22, 2015, when application PCT/US2015/036946, the earliest non-provisional in its chain, was filed (this one was filed Dec 22, 2015)Jun 22, 2035High 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 orderJun 22, 2035High confidence

This family

Application PCT/US2015/036946PCT application
no patent term
no patent term
US 9,453,142this patent
Jun 2035
Jun 2035
US 9,982,164In force
Jun 2035
Jun 2035
US 10,647,879In force
Jan 2034
Jan 2034
US 10,899,868In force
Jun 2035
Jun 2035
US 11,312,084In force
Jan 2034
Jan 2034
US 11,707,893In force
Jun 2035
Jun 2035
US 12,172,382In force
Jun 2035
Jun 2035
8 of 9 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
Jan 11, 2016
Reel 37455, frame 175
Rolland, Jason P.; Chen, Kai; Poelma, Justin; Goodrich, James; Pinschmidt, Robert; Desimone, Joseph M.; Robeson, Lloyd M.CARBON3D, Inc.Assignment of Assignor's Interest
Nov 5, 2016
Reel 40569, frame 613
CARBON3D, Inc.Carbon, Inc.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.

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