Maintenance fees coming due

Rytec Corporation

9 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Feb 4, 2027. Unpaid by Aug 4, 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 9,097,053	High-Speed Door Assembly Rytec Corporation In force Fee due Feb 4, 2027 Lapses if unpaid Aug 4, 2027 Term ends Dec 27, 2027 · High confidence	Rytec Corporation	In force	Feb 4, 2027	Aug 4, 2027	Term ends Dec 27, 2027	High confidence
US 9,140,063	Switch Ladder Sensor for Roll-Up Door Rytec Corporation In force Fee due Mar 22, 2027 Lapses if unpaid Sep 22, 2027 Term ends Nov 16, 2033 · High confidence	Rytec Corporation	In force	Mar 22, 2027	Sep 22, 2027	Term ends Nov 16, 2033	High confidence
US 11,804,114	Safety System and Method for Overhead Roll-Up Doors Rytec Corporation In force Fee due Apr 30, 2027 Lapses if unpaid Nov 1, 2027 Term ends Dec 20, 2039 · High confidence	Rytec Corporation	In force	Apr 30, 2027	Nov 1, 2027	Term ends Dec 20, 2039	High confidence
US 9,186,427	Method and Device for Preventing Contamination from a Door Which Opens Vertically Rytec Corporation In force Fee due May 17, 2027 Lapses if unpaid Nov 17, 2027 Term ends Jan 28, 2030 · High confidence	Rytec Corporation	In force	May 17, 2027	Nov 17, 2027	Term ends Jan 28, 2030	High confidence
US 9,187,953	Side Column Configuration for Overhead Roll-Up Door Assemblies Rytec Corporation In force Fee due May 17, 2027 Lapses if unpaid Nov 17, 2027 Term ends Dec 13, 2031 · High confidence	Rytec Corporation	In force	May 17, 2027	Nov 17, 2027	Term ends Dec 13, 2031	High confidence
US 9,260,911	Door Panel for Overhead Roll-Up Doors and a Method for Creating the Same Rytec Corporation In force Fee due Aug 16, 2027 Lapses if unpaid Feb 16, 2028 Term ends Nov 15, 2031 · High confidence	Rytec Corporation	In force	Aug 16, 2027	Feb 16, 2028	Term ends Nov 15, 2031	High confidence
US 10,619,397	System and Method for Safety Management in Roll-Up Doors Rytec Corporation In force Fee due Oct 14, 2027 Lapses if unpaid Apr 14, 2028 Term ends Sep 13, 2036 · High confidence	Rytec Corporation	In force	Oct 14, 2027	Apr 14, 2028	Term ends Sep 13, 2036	High confidence
US 9,322,212	Wind Lock Configuration for Overhead Roll-Up Doors Rytec Corporation In force Fee due Oct 26, 2027 Lapses if unpaid Apr 26, 2028 Term ends Sep 22, 2031 · High confidence	Rytec Corporation	In force	Oct 26, 2027	Apr 26, 2028	Term ends Sep 22, 2031	High confidence
US 11,975,521	Roll-Up Thermal Barrier Rytec Corporation In force Fee due Nov 7, 2027 Lapses if unpaid May 8, 2028 Term ends Dec 19, 2033 · High confidence	Rytec Corporation	In force	Nov 7, 2027	May 8, 2028	Term ends Dec 19, 2033	High confidence

9 of 9 patents shown. Soonest fee due date first, then patent number.

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