The Patent Finder

Maintenance fees coming due

Temperpack Technologies Inc.

7 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 27, 2026. Unpaid by Jun 28, 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 11,685,574Compostable Envelope
In force
Fee due Dec 27, 2026
Lapses if unpaid Jun 28, 2027
 · High confidence
Temperpack Technologies, Inc.In forceDec 27, 2026Jun 28, 2027High confidence
US 11,701,872Insulation Panel
In force
Fee due Jan 18, 2027
Lapses if unpaid Jul 19, 2027
 · High confidence
Temperpack Technologies, Inc.In forceJan 18, 2027Jul 19, 2027High confidence
US 10,357,936Insulation Panel
In force
Fee due Jan 23, 2027
Lapses if unpaid Jul 23, 2027
 · High confidence
Temperpack Technologies, Inc.In forceJan 23, 2027Jul 23, 2027High confidence
US 11,794,983Compostable Insulation for Shipping Container
In force
Fee due Apr 24, 2027
Lapses if unpaid Oct 25, 2027
 · High confidence
Temperpack Technologies, Inc.In forceApr 24, 2027Oct 25, 2027High confidence
US 11,852,264Insulation Products and Methods and Machines for Making Insulation Products
In force
Fee due Jun 26, 2027
Lapses if unpaid Dec 27, 2027
 · High confidence
Temperpack Technologies, Inc.In forceJun 26, 2027Dec 27, 2027High confidence
US 11,904,584Insulation Panel
In force
Fee due Aug 20, 2027
Lapses if unpaid Feb 22, 2028
 · High confidence
Temperpack Technologies, Inc.In forceAug 20, 2027Feb 22, 2028High confidence
US 10,647,497Compostable Insert for Shipping Container
In force
Fee due Nov 12, 2027
Lapses if unpaid May 12, 2028
 · High confidence
Temperpack Technologies, Inc.In forceNov 12, 2027May 12, 2028High confidence
7 of 7 patents shown. Soonest fee due date first, then patent number.
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 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