A. Stucki Compnay

17 patents currently held · Updated Nov 14, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

Aug 2028

Next term end

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.

1 fee due May 24, 2027
The maintenance fee for Connector Fitting (US 9,194,522) comes due May 24, 2027. Unpaid by Nov 24, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.

Patent	Title	Status	Expires	Confidence
US 7,703,630	Vented Hatch Cover In force Term ends Aug 22, 2028 · High confidence	In force	Term ends Aug 22, 2028	High confidence
US 7,802,656	Method and Apparatus for Improving the Delivery of Oil of a Wick Lubricating System for a Locomotive Traction Motor Support Bearing In force Term ends Jul 31, 2029 · High confidence	In force	Term ends Jul 31, 2029	High confidence
US 7,857,101	Wick Holder for a Lubricating System of a Locomotive Traction Motor Support Bearing In force Term ends Aug 24, 2029 · High confidence	In force	Term ends Aug 24, 2029	High confidence
US 8,656,840	Manway Gasket In force Term ends Nov 11, 2029 · High confidence	In force	Term ends Nov 11, 2029	High confidence
US 8,166,891	Manway Gasket In force Term ends Jan 12, 2030 · High confidence	In force	Term ends Jan 12, 2030	High confidence
US 8,060,264	System for Monitoring Railroad Cars In force Term ends Sep 14, 2030 · High confidence	In force	Term ends Sep 14, 2030	High confidence
US 8,894,102	Eduction Tube Assembly In force Term ends Dec 11, 2032 · High confidence	In force	Term ends Dec 11, 2032	High confidence
US 8,950,618	Metallic Flange Plate with Lining In force Term ends Jul 2, 2033 · High confidence	In force	Term ends Jul 2, 2033	High confidence
US 9,194,522	Connector Fitting In force Term ends Aug 7, 2034 · High confidence	In force	Term ends Aug 7, 2034	High confidence
US 9,493,172	Outlet Gate Assembly for Hopper Cars In force Term ends Dec 24, 2034 · High confidence	In force	Term ends Dec 24, 2034	High confidence

10 of 17 patents shown.

Pro members see all 17.

Pro members: see all 17 patents

Also on record, not counted in the 17: 1 lapsed for an unpaid fee · 14 ended at full term. List them

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

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