Maintenance fees coming due
1 maintenance fee comes due on Jul 12, 2027, in the 12 months from Nov 14, 2026. Unpaid by Jan 12, 2028, 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 9,234,802 | Energy Output Measuring Device for Infrared Heating Device In force Fee due Jul 12, 2027 Lapses if unpaid Jan 12, 2028 · High confidence | Plastic Technologies, Inc. | In force | Jul 12, 2027 | Jan 12, 2028 | High confidence |
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Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.