Maintenance fees coming due
1 maintenance fee comes due on Feb 18, 2027, in the 12 months from Nov 14, 2026. Unpaid by Aug 18, 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 9,111,468 | Overhead Support Apparatus In force Fee due Feb 18, 2027 Lapses if unpaid Aug 18, 2027 · High confidence | Optiva Technologies, Inc. | In force | Feb 18, 2027 | Aug 18, 2027 | High confidence |
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Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.