Firma Fedag
Records under this name other than patents Firma Fedag holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 5,141,309 | Apparatus for indicating how dirty an air filter is in a vacuum-cleaning apparatus, in a room filter, etc. Term ended Term ended no later than Aug 25, 2012 · Low confidence | Term ended | Term ended no later than Aug 25, 2012 | Low confidence |
| US 5,249,333 | Vacuum cleaning tool Term ended Term ended no later than Oct 5, 2013 · Low confidence | Term ended | Term ended no later than Oct 5, 2013 | Low confidence |
| US 5,267,370 | Suction device for liquids Term ended Term ended no later than Dec 7, 2013 · Low confidence | Term ended | Term ended no later than Dec 7, 2013 | Low confidence |
| US 5,293,665 | Nozzle mechanism for a vacuum cleaner Term ended Term ended no later than Mar 15, 2014 · Low confidence | Term ended | Term ended no later than Mar 15, 2014 | Low confidence |
| US 5,295,366 | Sealed refrigeration immersion vessel Term ended Term ended no later than Mar 22, 2014 · Low confidence | Term ended | Term ended no later than Mar 22, 2014 | Low confidence |
| US 5,369,839 | Vacuum cleaner Term ended Term ended no later than Dec 6, 2014 · Low confidence | Term ended | Term ended no later than Dec 6, 2014 | Low confidence |
| US 5,412,837 | Vacuum cleaner Term ended Term ended no later than May 9, 2015 · Low confidence | Term ended | Term ended no later than May 9, 2015 | Low confidence |
| US 5,416,948 | Vacuum cleaning tool for wet and dry vacuum cleaners Term ended Term ended no later than May 23, 2015 · Low confidence | Term ended | Term ended no later than May 23, 2015 | Low confidence |
| US 5,500,979 | Vacuum cleaner Term ended Term ended no later than Mar 26, 2016 · Low confidence | Term ended | Term ended no later than Mar 26, 2016 | Low confidence |
| US 5,551,119 | Vacuum cleaning tool with electrically driven brush roller Term ended Term ended no later than Sep 3, 2016 · Low confidence | Term ended | Term ended no later than Sep 3, 2016 | Low confidence |