Hal Computer Systems, Inc.
Records under this name other than patents Hal Computer Systems, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Back to Hal Computer Systems, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,393,023 | System and method for acknowledging receipt of messages within a packet based communication network Formerly held Term ended Term ended May 8, 2018 · From the USPTO record | Term ended | Term ended May 8, 2018 | From the USPTO record |
| US 6,209,064 | Cache coherence unit with integrated message passing and memory protection for a distributed, shared memory multiprocessor system Formerly held Term ended Term ended Jan 7, 2018 · From the USPTO record | Term ended | Term ended Jan 7, 2018 | From the USPTO record |
| US 6,212,610 | Memory protection mechanism for a distributed shared memory multiprocessor with integrated message passing support Formerly held Term ended Term ended Jan 7, 2018 · From the USPTO record | Term ended | Term ended Jan 7, 2018 | From the USPTO record |
| US 6,360,244 | System and method for multi-level memory domain protection Formerly held Term ended Term ended Apr 11, 2017 · From the USPTO record | Term ended | Term ended Apr 11, 2017 | From the USPTO record |
| US 6,061,713 | Communications system for client-server data processing systems Formerly held Term ended Term ended Mar 12, 2017 · From the USPTO record | Term ended | Term ended Mar 12, 2017 | From the USPTO record |
| US 6,845,506 | System and method for multi-level memory domain protection Formerly held Lapsed on the fee record Ended Jan 18, 2017 · From the USPTO record | Lapsed on the fee record | Ended Jan 18, 2017 | From the USPTO record |
| US 6,088,779 | System and method for execution management of computer programs Formerly held Term ended Term ended Dec 30, 2016 · From the USPTO record | Term ended | Term ended Dec 30, 2016 | From the USPTO record |
| US 6,446,224 | Method and apparatus for prioritizing and handling errors in a computer system Formerly held Lapsed on the fee record Ended Sep 3, 2014 · From the USPTO record | Lapsed on the fee record | Ended Sep 3, 2014 | From the USPTO record |
| US 6,631,448 | Cache coherence unit for interconnecting multiprocessor nodes having pipelined snoopy protocol Formerly held Lapsed on the fee record Ended Oct 7, 2011 · From the USPTO record | Lapsed on the fee record | Ended Oct 7, 2011 | From the USPTO record |
| US 5,121,003 | Zero overhead self-timed iterative logic Formerly held Term ended Term ended no later than Jun 9, 2012 · Low confidence | Term ended | Term ended no later than Jun 9, 2012 | Low confidence |