Maintenance fees coming due

CO2PAC Limited

7 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 30, 2026. Unpaid by Jun 1, 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 11,661,229	Hot-Fillable Plastic Container CO2PAC Limited In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Apr 16, 2038 · High confidence	CO2PAC Limited	In force	Nov 30, 2026	Jun 1, 2027	Term ends Apr 16, 2038	High confidence
US 9,150,320	Plastic Containers Having Base Configurations with Up-Stand Walls Having a Plurality of Rings, and Systems, Methods, and Base Molds Thereof CO2PAC Limited In force Fee due Apr 6, 2027 Lapses if unpaid Oct 6, 2027 Term ends Sep 25, 2031 · High confidence	CO2PAC Limited	In force	Apr 6, 2027	Oct 6, 2027	Term ends Sep 25, 2031	High confidence
US 10,471,642	Pet Containers with Enhanced Thermal Properties and Process for Making Same CO2PAC Limited In force Fee due May 12, 2027 Lapses if unpaid Nov 12, 2027 Term ends Oct 9, 2031 · High confidence	CO2PAC Limited	In force	May 12, 2027	Nov 12, 2027	Term ends Oct 9, 2031	High confidence
US 10,513,364	Variable Displacement Container Base CO2PAC Limited In force Fee due Jun 24, 2027 Lapses if unpaid Dec 27, 2027 Term ends Jan 14, 2034 · High confidence	CO2PAC Limited	In force	Jun 24, 2027	Dec 27, 2027	Term ends Jan 14, 2034	High confidence
US 11,905,095	Variable Displacement Base and Container and Method of Using the Same CO2PAC Limited In force Fee due Aug 20, 2027 Lapses if unpaid Feb 22, 2028 Term ends Aug 23, 2038 · Medium confidence	CO2PAC Limited	In force	Aug 20, 2027	Feb 22, 2028	Term ends Aug 23, 2038	Medium confidence
US 11,912,459	Variable Displacement Container Base CO2PAC Limited In force Fee due Aug 27, 2027 Lapses if unpaid Feb 28, 2028 Term ends Jan 18, 2035 · High confidence	CO2PAC Limited	In force	Aug 27, 2027	Feb 28, 2028	Term ends Jan 18, 2035	High confidence
US 9,296,539	Variable Displacement Container Base CO2PAC Limited In force Fee due Sep 29, 2027 Lapses if unpaid Mar 29, 2028 Term ends Jan 14, 2034 · High confidence	CO2PAC Limited	In force	Sep 29, 2027	Mar 29, 2028	Term ends Jan 14, 2034	High confidence

7 of 7 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.