The Patent Finder

Bellwether Electronic Corp.

46 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Jun 2029
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 Apr 6, 2027
    The maintenance fee for Electrical connector (US 9,153,904) comes due Apr 6, 2027. Unpaid by Oct 6, 2027, it lapses early.
  • 1 fee due May 26, 2027
    The maintenance fee for Long straight high-frequency transmission cable (US 10,490,320) comes due May 26, 2027. Unpaid by Nov 26, 2027, it lapses early.
  • 1 fee due Jun 22, 2027
    The maintenance fee for Anti-deformation low profile card edge connector (US 9,219,321) comes due Jun 22, 2027. Unpaid by Dec 22, 2027, it lapses early.
  • 1 fee due Jul 30, 2027
    The maintenance fee for Current transmission assembly and current transmission system (US 11,888,252) comes due Jul 30, 2027. Unpaid by Jan 31, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 7 of the patents on this record were granted since Aug 16, 2026

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 7,713,079Card edge connector
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,403,710Fool-proof electric connector
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,821,170Electrical contact having multiple cantilevered beams
In force
 · From the USPTO record
In forceFrom the USPTO record
US D815,048Electrical connector with metal rings
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,998,651Plug and Receptacle of Power Conector with Misconnection-Proof Mechanism
In force
 · High confidence
In forceHigh confidence
US 9,153,904Electrical connector
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,614,329Power plug, power receptacle and power connector assembly
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,219,321Anti-deformation low profile card edge connector
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,350,104Connector structure with retractable terminal
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,431,773Probe-type connector
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 46 patents shown.
Pro members see all 46.
Pro members: see all 46 patents

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.

10 pending · 1 abandoned · 14 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