Sinclair Research Limited
Records under this name other than patents Sinclair Research Limited holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
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| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US D512,346 | Portable folding bicycle Term ended Term ended Dec 6, 2019 · From the USPTO record | Term ended | Term ended Dec 6, 2019 | From the USPTO record |
| US 6,497,299 | Drive apparatus for a cycle Lapsed on the fee record Ended Dec 24, 2010 · From the USPTO record | Lapsed on the fee record | Ended Dec 24, 2010 | From the USPTO record |
| US 6,986,522 | Portable folding bicycle Lapsed on the fee record Ended Jan 17, 2010 · From the USPTO record | Lapsed on the fee record | Ended Jan 17, 2010 | From the USPTO record |
| US 4,460,908 | Printing apparatus Term ended Term ended no later than Jul 17, 2004 · Low confidence | Term ended | Term ended no later than Jul 17, 2004 | Low confidence |
| US 4,555,677 | F.M. Amplifier for use in I.F. Stages Formerly held Term ended Term ended no later than Nov 26, 2005 · Low confidence | Term ended | Term ended no later than Nov 26, 2005 | Low confidence |
| US 4,586,001 | Low voltage push-pull amplifier Formerly held Term ended Term ended no later than Apr 29, 2006 · Low confidence | Term ended | Term ended no later than Apr 29, 2006 | Low confidence |
| US 4,612,484 | Television receivers Term ended Term ended no later than Sep 16, 2006 · Low confidence | Term ended | Term ended no later than Sep 16, 2006 | Low confidence |
| US 5,470,281 | Drive apparatus for a cycle Term ended Term ended no later than Nov 28, 2015 · Low confidence | Term ended | Term ended no later than Nov 28, 2015 | Low confidence |
| US D266,848 | Computer Formerly held Term ended | Term ended | ||
| US D272,349 | Computer Formerly held Term ended | Term ended |