US PATENT SUBCLASS 280 / 28
.~ Runner bases
Current as of: June, 1999
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DEFINITION
Classification: 280/28
(under subclass 845) Devices in which the sliding portion of the runner is claimed.
SEE OR SEARCH CLASS
428, Stock Material or Miscellaneous Articles,
544+, for a web or sheet-stock material, e.g., of indefinite length, which is all metal or has adjacent metal components.