Maintenance fees coming due
4 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Jan 9, 2027. Unpaid by Jul 9, 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 10,342,914 | Tamper Evident Closure Container In force Fee due Jan 9, 2027 Lapses if unpaid Jul 9, 2027 · High confidence | Plas-Tech Engineering, LLC | In force | Jan 9, 2027 | Jul 9, 2027 | High confidence | |
| US 11,717,797 | Systems and Methods Related to Fluid Pumping In force Fee due Feb 8, 2027 Lapses if unpaid Aug 9, 2027 · High confidence | Plas-Tech Engineering, LLC | In force | Feb 8, 2027 | Aug 9, 2027 | High confidence | |
| US 11,857,754 | Tamper Evident Closure Container In force Fee due Jul 2, 2027 Lapses if unpaid Jan 3, 2028 · Medium confidence | Plas-Tech Engineering, LLC | In force | Jul 2, 2027 | Jan 3, 2028 | Medium confidence | |
| US 9,333,289 | Tamper Evident Closure Container In force Fee due Nov 10, 2027 Lapses if unpaid May 10, 2028 · High confidence | Plas-Tech Engineering, LLC | In force | Nov 10, 2027 | May 10, 2028 | High confidence |
4 of 4 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.