Maintenance fees coming due
2 maintenance fees come due in the 12 months from Nov 15, 2026, the next on May 19, 2027. Unpaid by Nov 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.
| Patent | Title | Holder | Status | Fee due | Lapses if unpaid | Expires | Confidence |
|---|---|---|---|---|---|---|---|
| US 10,480,103 | Self-Warming Insulation In force Fee due May 19, 2027 Lapses if unpaid Nov 19, 2027 · High confidence | Primaloft, Inc. | In force | May 19, 2027 | Nov 19, 2027 | High confidence | |
| US 10,633,244 | Blowable Floccule Insulation and Method of Making Same In force Fee due Oct 28, 2027 Lapses if unpaid Apr 28, 2028 · High confidence | Primaloft, Inc. | In force | Oct 28, 2027 | Apr 28, 2028 | High confidence |
2 of 2 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.