A&C Ltd.
Records under this name other than patents A&C Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 7 of 7 · Back to A&C Ltd.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,224,988 | Device for and method of sensing conditions in a well bore Term ended Term ended no later than Sep 30, 2000 · Low confidence | Term ended | Term ended no later than Sep 30, 2000 | Low confidence |
| US 4,290,305 | Drilling fluid circulating and monitoring system and method Term ended Term ended no later than Sep 22, 2001 · Low confidence | Term ended | Term ended no later than Sep 22, 2001 | Low confidence |
| US 4,295,366 | Drilling fluid circulating and monitoring system and method Term ended Term ended no later than Oct 20, 2001 · Low confidence | Term ended | Term ended no later than Oct 20, 2001 | Low confidence |
| US 4,779,833 | Mounting head for camera, or the like Term ended Term ended no later than Oct 25, 2008 · Low confidence | Term ended | Term ended no later than Oct 25, 2008 | Low confidence |
| US 5,056,290 | Method, assembly and apparatus for joining panels Term ended Term ended no later than Oct 15, 2011 · Low confidence | Term ended | Term ended no later than Oct 15, 2011 | Low confidence |
| US 5,673,304 | Programmable emergency communication system including automatic dialer Term ended Term ended no later than Sep 30, 2017 · Low confidence | Term ended | Term ended no later than Sep 30, 2017 | Low confidence |
| US 5,884,492 | Air conditioning system and method for providing precise psychometric conditions in an air conditioned space Term ended Term ended no later than Mar 23, 2019 · Low confidence | Term ended | Term ended no later than Mar 23, 2019 | Low confidence |