The Patent Finder

Innertron, Inc.

13 patents currently held · Updated Nov 14, 2026
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 2 name spellings.

0
Ending by 2030
Mar 2032
Next term end

When these terms end

Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
  • 1 fee due Jun 8, 2027
    The maintenance fee for Resonance device and filter including the same (US 9,209,505) comes due Jun 8, 2027. Unpaid by Dec 8, 2027, it lapses early.
  • 1 fee due Jul 30, 2027
    The maintenance fee for Distributed antenna monitoring apparatus used for public safety radio network, and method therefor (US 11,889,333) comes due Jul 30, 2027. Unpaid by Jan 31, 2028, it lapses early.
  • 1 fee due Oct 26, 2027
    The maintenance fee for Multiplexer with common port feeding structure (US 9,325,048) comes due Oct 26, 2027. Unpaid by Apr 26, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
PatentTitleStatus Expires Confidence
US 8,941,547Diplex filter for testing base system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,520,634Resonance device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,325,048Multiplexer with common port feeding structure
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,209,505Resonance device and filter including the same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,467,193Multi-band filter
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,641,148Resonator and filter having the same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,627,731Resonance device and filter including the same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,768,485Duplexer
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,966,709Connector and communication component including the same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,181,626Resonator and filter including the same
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 13 patents shown.
Pro members see all 13.
Pro members: see all 13 patents
Also on record, not counted in the 13: 1 patent in force now held by others · 3 lapsed for an unpaid fee. List them

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

Published applications

US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.

1 no status recorded

List them

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