The Patent Finder
US

Flexible Optical Circuit, Cassettes, and Methods

US 10,317,638 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Jun 11, 2023 on the fee record · Medium confidence

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

First maintenance fee unpaid; grace period ended.

Filed Jan 19, 2018 as application 15/875,801 · Granted Jun 11, 2019
Base term, 20 years from filing
Today
Lapsed Jun 11, 2023
2013 2033
Clock starts
Oct 3, 2013
No longer in force
Jun 11, 2023
Granted
Jun 11, 2019
Term would have run to
Oct 3, 2033
base term after the term ends 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.
0 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.
7
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

Its term would have run to Oct 3, 2033: its 20-year base term, with no adjustment for prosecution delay. 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 Oct 3, 2013, when application 14/045,509, the earliest non-provisional in its chain, was filed (this one was filed Jan 19, 2018); a parent in its chain could not be resolved (the next row)Oct 3, 2033High 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 events0 of 3 maintenance fees paidlapsed Jun 11, 2023High confidence
Computed term endThe steps above, in orderJun 11, 2023Medium confidence

This family

US 9,223,094In force
Oct 2033
Oct 2033
US 9,874,711In force
Oct 2033
Oct 2033
US 10,317,638this patent
Jun 2023
Jun 2023
US 10,955,633In force
Oct 2033
Oct 2033
US 11,573,389In force
Oct 2033
Oct 2033
US 12,130,487In force
Oct 2033
Oct 2033
Application 18/899,882Pending
not computed
not computed
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
Nov 19, 2021
Reel 60752, frame 1
Arris Solutions, Inc.; Arris Enterprises LLC; CommScope Technologies LLC; CommScope, Inc. of North Carolina; Ruckus Wireless, Inc.Wilmington TrustSecurity 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