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Sequent Computer Systems, Inc.

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Records under this name other than patents Sequent Computer Systems, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 6,480,918Lingering locks with fairness control for multi-node computer systems
Formerly held
Term ended
Term ended Dec 22, 2018 · From the USPTO record
Term endedTerm ended Dec 22, 2018From the USPTO record
US 6,223,244Method for assuring device access to a bus having a fixed priority arbitration scheme
Formerly held
Term ended
Term ended Dec 10, 2018 · From the USPTO record
Term endedTerm ended Dec 10, 2018From the USPTO record
US 6,049,853Data replication across nodes of a multiprocessor computer system
Formerly held
Term ended
Term ended Aug 29, 2017 · From the USPTO record
Term endedTerm ended Aug 29, 2017From the USPTO record
US 6,041,376Distributed shared memory system having a first node that prevents other nodes from accessing requested data until a processor on the first node controls the requested data
Formerly held
Term ended
Term ended Apr 24, 2017 · From the USPTO record
Term endedTerm ended Apr 24, 2017From the USPTO record
US 6,636,944Associative cache and method for replacing data entries having an IO state
Formerly held
Term ended
Term ended Apr 24, 2017 · From the USPTO record
Term endedTerm ended Apr 24, 2017From the USPTO record
US 6,823,511Reader-writer lock for multiprocessor systems
Formerly held
Lapsed on the fee record
Ended Nov 23, 2016 · From the USPTO record
Lapsed on the fee recordEnded Nov 23, 2016From the USPTO record
US 6,631,481Method and apparatus for injecting an error into a waveform sent over a data link
Formerly held
Lapsed on the fee record
Ended Oct 7, 2015 · From the USPTO record
Lapsed on the fee recordEnded Oct 7, 2015From the USPTO record
US 6,393,557Dynamic method for configuring a computer system
Formerly held
Lapsed on the fee record
Ended May 21, 2014 · From the USPTO record
Lapsed on the fee recordEnded May 21, 2014From the USPTO record
US 6,922,755Directory tree multinode computer system
Formerly held
Lapsed on the fee record
Ended Jul 26, 2013 · From the USPTO record
Lapsed on the fee recordEnded Jul 26, 2013From the USPTO record
US 6,247,091Method and system for communicating interrupts between nodes of a multinode computer system
Formerly held
Lapsed on the fee record
Ended Jun 12, 2013 · From the USPTO record
Lapsed on the fee recordEnded Jun 12, 2013From the USPTO record
10 of 42 patents shown.
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Pro members: see all 42 patents
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