| TIMELINE | |||
|---|---|---|---|
| 1st Patent | 2nd Patent | 3rd Patent | |
| Patent Number | 4,857,716 | 4,850,009 | 4,835,372 |
| Appl Number | 07/205,527 | 06/862,149 | 07/078,195 (CIP of the '278 Ap.) |
| Subj Matter | 3-node communication | ||
| Examiner | Trafton | Lev | Trafton |
| ~08/12/1986 | Schumann disclosed existance of '149 application to Ex'r. Trafton | ||
| 2/26/1987 | 3-node communication claims rejected as obvious over Blum and Pejas | ||
| 4/16/1987 | Rejection in parent application 06/862,278 | ||
| 7/24/1987 | Application filed | ||
| 8/26/1987 | narrowed claim 15 to “real time data communication” and added claims 19-23 drawing to two-node communication, three-node communication, and a programmable unique address | ||
| 10/6/1987 | Claim 6 introduced in parent application 06/862,278; argued that no references teach 3-node approach | ||
| 10/23/1987 | Telephone interview with Ex'r to discuss Ex'r's discovery of Baker (4,456,793); existance of Baker never disclosed to Ex'r Trafton | ||
| 12/1/1987 | All claims rejected based on Sunstedt, or Blum and Sustedt, Baker renders claims 22 and 23 obvious Schumann never discloses this rejection to Ex'r Trafton | ||
| 12/8/7987 | Claim 6 allowed | ||
| 6/8/1988 | Continuation resulting in '716 patent filed; claim 1 rewritten from allowed claim 6 | ||
| 6/17/1988 | Further narrowed claim 15 to handheld terminals and canceled claims 19-24 | ||
| 12/16/1988 | 9 claims allowed | ||
| 8/15/1989 | patent issued | ||
| 12/18/1989 | Patent issues | ||