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US

Bis-Schiff-Base Thermosetting Elastomers

US 10,662,329 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Apr 8, 2025 (Citibank, N.A.).

Term ends Sep 1, 2038 · High confidence

Filed Jun 26, 2018 as application 16/019,015 · Granted May 26, 2020
Base term plus 67 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2018 2038
Clock starts
Jun 26, 2018
Term ends
Sep 1, 2038
Granted
May 26, 2020
base term patent term adjustment 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
67
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
2
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 runs 67 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is 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 26, 2018, when this application, 16/019,015, was filedJun 26, 2038High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+67 days, USPTO patent term adjustment recordSep 1, 2038High 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 orderSep 1, 2038High confidence

This family

US 10,662,329this patent
Sep 2038
Sep 2038
US 10,982,095In force
Jun 2038
Jun 2038
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 27, 2018
Reel 46643, frame 286
Hreha, Richard D.; Brubaker, Joel P.; Zalar, Frank M.; Rauscher, Michael D.Cornerstone Research Group, Inc.Assignment of Assignor's Interest
Mar 1, 2019
Reel 48482, frame 275
Cornerstone Research Group, Inc.Jalapeno Holdings, LLCAssignment of Assignor's Interest
Apr 14, 2022
Reel 59595, frame 149
Jalapeno Holdings, LLCCornerstone Research Group, Inc.Assignment of Assignor's Interest
Jun 27, 2022
Reel 60318, frame 876
Cornerstone Research Group, IncorporatedSystima Technologies, Inc.Assignment of Assignor's Interest
Aug 2, 2022
Reel 60694, frame 679
Cornerstone Research Group, IncorporatedSystima Technologies, Inc.Assignment of Assignor's Interest
Sep 30, 2022
Reel 61276, frame 116
Systima Technologies, Inc.TCW Asset Management Company, LLC, as Administrative AgentSecurity Interest
Apr 8, 2025
Reel 70775, frame 23
Systima Technologies, Inc.Citibank, N.A., as AgentSecurity Interest
Apr 8, 2025
Reel 70767, frame 592
TCW Asset Management Company, LLCSystima Technologies, Inc.Release of 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.

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