US PATENT SUBCLASS 700 / 16
.~.~.~.~ Clock-calendar (e.g., time of day)

Current as of: June, 1999
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700 /   HD   DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS

1  DD  GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS {15}
11  DD  .~ Sequential or selective {7}
12  DD  .~.~ State of condition or parameter (e.g., on/off) {2}
14  DD  .~.~.~ Time responsive (duration) {2}
16.~.~.~.~ Clock-calendar (e.g., time of day)