Maintenance fees coming due

Defond Components Limited

9 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 11,664,710	Variable-Speed Control Assembly for an Electric Device Defond Components Limited and Defond Electech Co., Ltd. In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Jan 26, 2041 · High confidence	Defond Components Limited and Defond Electech Co., Ltd.	In force	Nov 30, 2026	Jun 1, 2027	Term ends Jan 26, 2041	High confidence
US 11,694,862	Lock-Off Mechanism for Locking-Off a Trigger Assembly of an Electric Device Defond Electech Co., Ltd. and Defond Components Limited In force Fee due Jan 4, 2027 Lapses if unpaid Jul 6, 2027 Term ends Nov 11, 2040 · High confidence	Defond Electech Co., Ltd. and Defond Components Limited	In force	Jan 4, 2027	Jul 6, 2027	Term ends Nov 11, 2040	High confidence
US 10,418,195	Contact Lever for Use in an Electrical Switch Assembly Defond Components Limited and Dongguan Chen da Appliance Co. Ltd. In force Fee due Mar 17, 2027 Lapses if unpaid Sep 17, 2027 Term ends Jan 12, 2038 · High confidence	Defond Components Limited and Dongguan Chen da Appliance Co. Ltd.	In force	Mar 17, 2027	Sep 17, 2027	Term ends Jan 12, 2038	High confidence
US 11,823,856	Contact Lever Assembly for Use with an Electrical Switch Defond Components Limited and Defond Electech Co., Ltd. In force Fee due May 21, 2027 Lapses if unpaid Nov 22, 2027 Term ends Dec 11, 2040 · High confidence	Defond Components Limited and Defond Electech Co., Ltd.	In force	May 21, 2027	Nov 22, 2027	Term ends Dec 11, 2040	High confidence
US 10,497,523	Electrical Switch for an Electrical Device and Sealing Assembly for an Electrical Switch Defond Components Limited and Dongguan Chen da Appliance Co. Ltd. In force Fee due Jun 3, 2027 Lapses if unpaid Dec 3, 2027 Term ends Oct 10, 2037 · High confidence	Defond Components Limited and Dongguan Chen da Appliance Co. Ltd.	In force	Jun 3, 2027	Dec 3, 2027	Term ends Oct 10, 2037	High confidence
US 11,907,449	Control Knob with Motion Sensing for Controlling Operation of a Machine Defond Components Limited and Defond Electech Co., Ltd. In force Fee due Aug 20, 2027 Lapses if unpaid Feb 22, 2028 Term ends Nov 9, 2037 · High confidence	Defond Components Limited and Defond Electech Co., Ltd.	In force	Aug 20, 2027	Feb 22, 2028	Term ends Nov 9, 2037	High confidence
US 11,913,812	Control Assembly for Use in Operation of an Electric Device Defond Electech Co., Ltd. and Defond Components Limited In force Fee due Aug 27, 2027 Lapses if unpaid Feb 28, 2028 Term ends Aug 25, 2042 · High confidence	Defond Electech Co., Ltd. and Defond Components Limited	In force	Aug 27, 2027	Feb 28, 2028	Term ends Aug 25, 2042	High confidence
US 11,975,434	Control Assembly for Use with an Electric Power Tool Defond Electech Co., Ltd. and Defond Components Limited In force Fee due Nov 7, 2027 Lapses if unpaid May 8, 2028 Term ends Mar 8, 2043 · High confidence	Defond Electech Co., Ltd. and Defond Components Limited	In force	Nov 7, 2027	May 8, 2028	Term ends Mar 8, 2043	High confidence
US 10,649,556	Control Knob for Controlling Operation of a Machine Defond Components Limited and Dongguan Chen da Appliance Co., Ltd. In force Fee due Nov 12, 2027 Lapses if unpaid May 12, 2028 Term ends Nov 9, 2037 · High confidence	Defond Components Limited and Dongguan Chen da Appliance Co., Ltd.	In force	Nov 12, 2027	May 12, 2028	Term ends Nov 9, 2037	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.