The Patent Finder

Maintenance fees coming due

Sensor Electronic Technology, Inc.

93 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Nov 19, 2026. Unpaid by May 19, 2027, that one lapses early.
A maintenance fee does not end a patent on its due date. It falls due at 3.5, 7.5 and 11.5 years from grant, and the patent lapses only if the fee is still unpaid at the end of the six month grace period that follows.
PatentTitleHolderStatusFee dueLapses if unpaidExpiresConfidence
US 9,034,271Storage Device Including Ultraviolet Illumination
In force
Fee due Nov 19, 2026
Lapses if unpaid May 19, 2027
 · High confidence
Sensor Electronic Technology, Inc.In forceNov 19, 2026May 19, 2027High confidence
US 10,297,460Stress Relieving Semiconductor Layer
In force
Fee due Nov 21, 2026
Lapses if unpaid May 21, 2027
 · High confidence
Sensor Electronic Technology, Inc.In forceNov 21, 2026May 21, 2027High confidence
US 11,656,387Light Emitting Device for Emitting Diffuse Light
In force
Fee due Nov 23, 2026
Lapses if unpaid May 24, 2027
 · High confidence
Sensor Electronic Technology, Inc.In forceNov 23, 2026May 24, 2027High confidence
US 10,301,195Ultraviolet Transparent Enclosure
In force
Fee due Nov 28, 2026
Lapses if unpaid May 28, 2027
 · High confidence
Sensor Electronic Technology, Inc.In forceNov 28, 2026May 28, 2027High confidence
US 9,048,378Device with Inverted Large Scale Light Extraction Structures
In force
Fee due Dec 2, 2026
Lapses if unpaid Jun 2, 2027
 · High confidence
Sensor Electronic Technology, Inc.In forceDec 2, 2026Jun 2, 2027High confidence
US 10,314,928Ultraviolet Illuminator for Footwear Treatment
In force
Fee due Dec 11, 2026
Lapses if unpaid Jun 11, 2027
 · High confidence
Sensor Electronic Technology, Inc.In forceDec 11, 2026Jun 11, 2027High confidence
US 10,319,881Device Including Transparent Layer with Profiled Surface for Improved Extraction
In force
Fee due Dec 11, 2026
Lapses if unpaid Jun 11, 2027
 · High confidence
Sensor Electronic Technology, Inc.In forceDec 11, 2026Jun 11, 2027High confidence
US 9,061,082Ultraviolet-Based Sterilization
In force
Fee due Dec 23, 2026
Lapses if unpaid Jun 23, 2027
 · High confidence
Sensor Electronic Technology, Inc.In forceDec 23, 2026Jun 23, 2027High confidence
US 9,064,845Methods of Fabricating a Chromium/Titanium/Aluminum-Based Semiconductor Device Contact
In force
Fee due Dec 23, 2026
Lapses if unpaid Jun 23, 2027
 · High confidence
Sensor Electronic Technology, Inc.In forceDec 23, 2026Jun 23, 2027High confidence
US 9,066,987Flexible Ultraviolet Device
In force
Fee due Dec 30, 2026
Lapses if unpaid Jun 30, 2027
 · High confidence
Sensor Electronic Technology, Inc.In forceDec 30, 2026Jun 30, 2027High confidence
83 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro
10 of 93 patents shown. Soonest fee due date first, then patent number.
Pro members see every patent with a maintenance fee coming due: number, title, status, the due date, and the date it lapses if the fee goes unpaid through the grace period.
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Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited