Maintenance fees coming due
6 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Jan 16, 2027. Unpaid by Jul 16, 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 10,355,481 | Simultaneous Multifrequency Receive Circuits In force Fee due Jan 16, 2027 Lapses if unpaid Jul 16, 2027 · High confidence | CPG Technologies, LLC | In force | Jan 16, 2027 | Jul 16, 2027 | High confidence | |
| US 10,467,876 | Global Emergency and Disaster Transmission In force Fee due May 5, 2027 Lapses if unpaid Nov 5, 2027 · High confidence | CPG Technologies, LLC | In force | May 5, 2027 | Nov 5, 2027 | High confidence | |
| US 10,559,867 | Minimizing Atmospheric Discharge Within a Guided Surface Waveguide Probe In force Fee due Aug 11, 2027 Lapses if unpaid Feb 11, 2028 · High confidence | CPG Technologies, LLC | In force | Aug 11, 2027 | Feb 11, 2028 | High confidence | |
| US 10,560,147 | Guided Surface Waveguide Probe Control System In force Fee due Aug 11, 2027 Lapses if unpaid Feb 11, 2028 · High confidence | CPG Technologies, LLC | In force | Aug 11, 2027 | Feb 11, 2028 | High confidence | |
| US 10,601,099 | Mobile Guided Surface Waveguide Probes and Receivers In force Fee due Sep 24, 2027 Lapses if unpaid Mar 24, 2028 · High confidence | CPG Technologies, LLC | In force | Sep 24, 2027 | Mar 24, 2028 | High confidence | |
| US 10,630,111 | Adjustment of Guided Surface Waveguide Probe Operation In force Fee due Oct 21, 2027 Lapses if unpaid Apr 21, 2028 · High confidence | CPG Technologies, LLC | In force | Oct 21, 2027 | Apr 21, 2028 | High confidence |
6 of 6 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.