Maintenance fees coming due

Oatey Co.

12 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Nov 26, 2026. Unpaid by May 26, 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 9,038,660	Non-Return Valve Assembly of the Pivoting Flap Type, Typically for Insertion in Floor Drains Oatey Co. In force Fee due Nov 26, 2026 Lapses if unpaid May 26, 2027 Term ends Mar 30, 2031 · High confidence	Oatey Co.	In force	Nov 26, 2026	May 26, 2027	Term ends Mar 30, 2031	High confidence
US 11,674,060	Solvent Cement Formulations Oatey Co. In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 Term ends Jan 10, 2038 · High confidence	Oatey Co.	In force	Dec 13, 2026	Jun 14, 2027	Term ends Jan 10, 2038	High confidence
US 11,674,292	Modular Plumbing Box System And Methods Of Mounting The Same Oatey Co. In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 Term ends Mar 19, 2038 · High confidence	Oatey Co.	In force	Dec 13, 2026	Jun 14, 2027	Term ends Mar 19, 2038	High confidence
US 10,401,252	Pneumatic Plug Clean-Out Tees Oatey Co. In force Fee due Mar 3, 2027 Lapses if unpaid Sep 3, 2027 Term ends Jul 16, 2035 · High confidence	Oatey Co.	In force	Mar 3, 2027	Sep 3, 2027	Term ends Jul 16, 2035	High confidence
US 11,746,946	ADA-Compliant Pipe-Insulating Sleeves Oatey Co. In force Fee due Mar 5, 2027 Lapses if unpaid Sep 7, 2027 Term ends May 3, 2039 · High confidence	Oatey Co.	In force	Mar 5, 2027	Sep 7, 2027	Term ends May 3, 2039	High confidence
US 10,480,170	Floor Drain Assembly And Method Oatey Co. In force Fee due May 19, 2027 Lapses if unpaid Nov 19, 2027 Term ends Dec 25, 2033 · High confidence	Oatey Co.	In force	May 19, 2027	Nov 19, 2027	Term ends Dec 25, 2033	High confidence
US 11,885,094	Product And Method For Sealing And Lubricating Sewer Manhole Assemblies Oatey Co. In force Fee due Jul 30, 2027 Lapses if unpaid Jan 31, 2028 Term ends Jun 18, 2042 · High confidence	Oatey Co.	In force	Jul 30, 2027	Jan 31, 2028	Term ends Jun 18, 2042	High confidence
US 11,891,808	Roof Flashing Oatey Co. In force Fee due Aug 6, 2027 Lapses if unpaid Feb 7, 2028 Term ends Jan 19, 2042 · High confidence	Oatey Co.	In force	Aug 6, 2027	Feb 7, 2028	Term ends Jan 19, 2042	High confidence
US 11,905,697	Drain Assembly And Method Of Installation Oatey Co. In force Fee due Aug 20, 2027 Lapses if unpaid Feb 22, 2028 Term ends Feb 11, 2042 · High confidence	Oatey Co.	In force	Aug 20, 2027	Feb 22, 2028	Term ends Feb 11, 2042	High confidence
US 11,946,241	Drain Assemblies, And Related Kits And Methods Oatey Co. In force Fee due Oct 2, 2027 Lapses if unpaid Apr 3, 2028 Term ends May 27, 2042 · High confidence	Oatey Co.	In force	Oct 2, 2027	Apr 3, 2028	Term ends May 27, 2042	High confidence
2 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro

10 of 12 patents shown. Soonest fee due date first, then patent number.

Pro members see every patent with a maintenance fee coming due: number, title, status, the due date, and the date it lapses if the fee goes unpaid through the grace period.

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