Impro Limited, a British Corp.

Also on record

Records under this name other than patents Impro Limited, a British Corp. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 9 of 9 · Back to Impro Limited, a British Corp.

Patent	Title	Status	Expires	Confidence
US 4,563,781	Bath installations and bath tubs Formerly held Term ended Term ended no later than Jan 14, 2006 · Low confidence	Term ended	Term ended no later than Jan 14, 2006	Low confidence
US 4,656,679	Lifting slings Term ended Term ended no later than Apr 14, 2007 · Low confidence	Term ended	Term ended no later than Apr 14, 2007	Low confidence
US 4,680,819	Invalid hoists Term ended Term ended no later than Jul 21, 2007 · Low confidence	Term ended	Term ended no later than Jul 21, 2007	Low confidence
US 4,685,157	Toilet aid Term ended Term ended no later than Aug 11, 2007 · Low confidence	Term ended	Term ended no later than Aug 11, 2007	Low confidence
US 4,703,523	Invalid hoists Term ended Term ended no later than Nov 3, 2007 · Low confidence	Term ended	Term ended no later than Nov 3, 2007	Low confidence
US 4,712,257	Invalid hoists Term ended Term ended no later than Dec 15, 2007 · Low confidence	Term ended	Term ended no later than Dec 15, 2007	Low confidence
US 4,715,069	Toilet aids Formerly held Term ended Term ended no later than Dec 29, 2007 · Low confidence	Term ended	Term ended no later than Dec 29, 2007	Low confidence
US 4,742,588	Lifting sling Term ended Term ended no later than May 10, 2008 · Low confidence	Term ended	Term ended no later than May 10, 2008	Low confidence
US 4,918,771	Patient lifting and hoist therefor Term ended Term ended no later than Apr 24, 2010 · Low confidence	Term ended	Term ended no later than Apr 24, 2010	Low confidence