US Patent Class 368
HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES-- Main Headings




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Current as of: June, 1999
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CLASS NOTES
1  DF  CONTROLLED BY A DISPARATE DEVICE {6}
10  DF  COMBINED WITH DISPARATE DEVICE {4}
15  DF  ASTRONOMICAL {5}
21  DF  PLURAL TIME ZONES {5}
28  DF  WITH CALENDAR INDICATOR {7}
41  DF  WITH MEMORANDUM HOLDER OR ERASABLE WRITING SURFACE {3}
45  DF  TOY
46  DF  PLURAL TIMEPIECE SYSTEM OR SYSTEM DEVICE (E.G., PRIMARY OR SECONDARY CLOCKS) {5}
62  DF  CHRONOLOGICAL {12}
89  DF  TIME INTERVAL {6}
124  DF  ESCAPEMENTS {1}
139  DF  MECHANICAL TIME BASE {1}
155  DF  ELECTRICAL TIME BASE {2}
168  DF  OSCILLATING OR RECIPROCATING MEANS {2}
184  DF  REGULATING MEANS {3}
203  DF  POWER SUPPLY DETAILS {1}
206  DF  WINDING MEANS {7}
217  DF  PULSE TRANSFORMING MEANS {1}
220  DF  DISPLAY TRAINS {2}
223  DF  DISPLAYS OR DISPLAY DEVICE DETAILS {5}
243  DF  SIGNALLING MEANS {6}
276  DF  CASES {17}
318  DF  PLATE DETAILS
319  DF  CROWN OR STEM DETAILS {1}
322  DF  ARBOR AND PINION DETAILS
323  DF  CANNON PINION DETAILS
324  DF  STAFF AND BEARING DETAILS {1}
327  DF  MISCELLANEOUS