Stry-Lenkoff
Records under this name other than patents Stry-Lenkoff holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 10 of 10 · Back to Stry-Lenkoff
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,604,976 | Segmental toy game Term ended Term ended Dec 14, 2020 · From the USPTO record | Term ended | Term ended Dec 14, 2020 | From the USPTO record |
| US 6,152,449 | Combined sticker and invisible ink game Lapsed on the fee record Ended Nov 28, 2012 · From the USPTO record | Lapsed on the fee record | Ended Nov 28, 2012 | From the USPTO record |
| US 4,514,177 | Invisible ink quiz game Term ended Term ended no later than Apr 30, 2005 · Low confidence | Term ended | Term ended no later than Apr 30, 2005 | Low confidence |
| US 4,586,714 | Puzzle game Term ended Term ended no later than May 6, 2006 · Low confidence | Term ended | Term ended no later than May 6, 2006 | Low confidence |
| US 5,160,266 | Mix and match invisible ink game Term ended Term ended no later than Nov 3, 2012 · Low confidence | Term ended | Term ended no later than Nov 3, 2012 | Low confidence |
| US 5,176,460 | Pen cap for a writing instrument barrel Term ended Term ended no later than Jan 5, 2013 · Low confidence | Term ended | Term ended no later than Jan 5, 2013 | Low confidence |
| US 5,217,231 | Power of observation invisible ink game Term ended Term ended no later than Jun 8, 2013 · Low confidence | Term ended | Term ended no later than Jun 8, 2013 | Low confidence |
| US 5,234,344 | Book package Term ended Term ended no later than Aug 10, 2013 · Low confidence | Term ended | Term ended no later than Aug 10, 2013 | Low confidence |
| US 5,261,703 | Greeting card with compatible puzzle message Term ended Term ended no later than Nov 16, 2013 · Low confidence | Term ended | Term ended no later than Nov 16, 2013 | Low confidence |
| US D340,069 | Pen cap Term ended | Term ended |