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1 maintenance fee comes due on Aug 23, 2027, in the 12 months from Nov 15, 2026. Unpaid by Feb 23, 2028, that one lapses early.
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| Patent | Title | Holder | Status | Fee due | Lapses if unpaid | Expires | Confidence |
|---|---|---|---|---|---|---|---|
| US 9,267,921 | Axial and Circumferential Flaw Sensing Eddy Current Probe In force Fee due Aug 23, 2027 Lapses if unpaid Feb 23, 2028 · High confidence | Zetec, Inc. | In force | Aug 23, 2027 | Feb 23, 2028 | High confidence |
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