The Patent Finder

Nuvotronics, Inc.

16 patents currently held · Updated Nov 14, 2026
2 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 3 name spellings.

4
Ending by 2030
Jan 2028
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.
  • 2 fees due Dec 11 to 27, 2026 · next Dec 11
  • 1 fee due Mar 15, 2027
    The maintenance fee for Three-Dimensional Microstructures (US 9,136,575) comes due Mar 15, 2027. Unpaid by Sep 15, 2027, it lapses early.
  • 3 fees due Oct 5 to 26, 2027 · next Oct 5

Which patents, and when each one lapses · Pro

Recent changes

  • 1 term has ended 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 7,649,432Three-Dimensional Microstructures Having an Embedded and Mechanically Locked Support Member and Method of Formation Thereof
In force
 · High confidence
In forceHigh confidence
US 7,656,256Three-Dimensional Microstructures Having an Embedded Support Member with an Aperture Therein and Method of Formation Thereof
In force
 · High confidence
In forceHigh confidence
US 9,000,863Coaxial Transmission Line Microstructure with a Portion of Increased Transverse Dimension and Method of Formation Thereof
In force
 · High confidence
In forceHigh confidence
US 8,031,037Three-Dimensional Microstructures and Methods of Formation Thereof
In force
 · Medium confidence
In forceMedium confidence
US 9,136,575Three-Dimensional Microstructures
In force
 · Medium confidence
In forceMedium confidence
US 8,698,577Three-Dimensional Microstructures
In force
 · High confidence
In forceHigh confidence
US 9,608,303Multi-Layer Digital Elliptic Filter and Method
In force
 · High confidence
In forceHigh confidence
US 9,325,044Multi-Layer Digital Elliptic Filter and Method
In force
 · High confidence
In forceHigh confidence
US 9,306,254Substrate-Free Mechanical Interconnection of Electronic Sub-Systems Using a Spring Configuration
In force
 · High confidence
In forceHigh confidence
US 9,306,255A Microstructure Including Microstructural Waveguide Elements And/Or Ic Chips That Are Mechanically Interconnected to Each Other
In force
 · High confidence
In forceHigh confidence
10 of 16 patents shown.
Pro members see all 16.
Pro members: see all 16 patents
Also on record, not counted in the 16: 2 patents in force now held by others · 81 lapsed for an unpaid fee · 46 ended at full term. 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.

8 abandoned · 5 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