SmithKline Instruments, Inc.
Records under this name other than patents SmithKline Instruments, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Back to SmithKline Instruments, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 3,989,812 | Folic acid derivatives and use in radio-assay Term ended Term ended no later than Nov 2, 1996 · Low confidence | Term ended | Term ended no later than Nov 2, 1996 | Low confidence |
| US 4,034,744 | Ultrasonic scanning system with video recorder Formerly held Term ended Term ended no later than Jul 12, 1997 · Low confidence | Term ended | Term ended no later than Jul 12, 1997 | Low confidence |
| US 4,047,819 | Apparatus for measuring optical density with stray light compensation Term ended Term ended no later than Sep 13, 1997 · Low confidence | Term ended | Term ended no later than Sep 13, 1997 | Low confidence |
| US 4,064,741 | Real-time ultrasonic imaging system Formerly held Term ended Term ended no later than Dec 27, 1997 · Low confidence | Term ended | Term ended no later than Dec 27, 1997 | Low confidence |
| US 4,086,818 | Ultrasonic imaging apparatus Term ended Term ended no later than May 2, 1998 · Low confidence | Term ended | Term ended no later than May 2, 1998 | Low confidence |
| US 4,091,087 | Folic acid derivatives and use in radio-assay Term ended Term ended no later than May 23, 1998 · Low confidence | Term ended | Term ended no later than May 23, 1998 | Low confidence |
| US 4,149,419 | Ultrasonic transducer probe Term ended Term ended no later than Apr 17, 1999 · Low confidence | Term ended | Term ended no later than Apr 17, 1999 | Low confidence |
| US 4,208,602 | Piezoelectric ultrasonic scanning head using a beryllium mirror Formerly held Term ended Term ended no later than Jun 17, 2000 · Low confidence | Term ended | Term ended no later than Jun 17, 2000 | Low confidence |
| US 4,225,784 | Covalently bound biological substances to plastic materials and use in radioassay 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 4,241,611 | Ultrasonic diagnostic transducer assembly and system Formerly held Term ended Term ended no later than Dec 30, 2000 · Low confidence | Term ended | Term ended no later than Dec 30, 2000 | Low confidence |