Patent Explorer
Browse, filter, and analyze 4 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4103331A | Data processing display system | Xerox Corp | Expired / Lapsed | 1977-05-25 | 1978-07-25 | 1997-05-25 | 0.0 yrs | 9 | |
| US4050058A | Microprocessor with parallel operation | Xerox Corp | Expired / Lapsed | 1975-10-24 | 1977-09-20 | 1995-10-24 | 0.0 yrs | 12 | |
| US3938098A | Input/output connection arrangement for microprogrammable computer | Xerox Corp | Expired / Lapsed | 1973-12-26 | 1976-02-10 | 1993-12-26 | 0.0 yrs | 12 | |
| US3603935A | Memory port priority access system with inhibition of low priority lock-out | Xerox Corp | Expired / Lapsed | 1969-05-12 | 1971-09-07 | 1989-05-12 | 0.0 yrs | 4 |