US PATENT SUBCLASS 52 / 37
.~ On or adjacent portal frame; e.g., window cleaner's hook


Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

27  DF  INCLUDING COMPONENT (E.G., WALL) DESIGNED TO RECEIVE A DISPARATE ARTICLE HAVING DISPARATE ARTICLE MOUNTED THERETO {12}
37.~ On or adjacent portal frame; e.g., window cleaner's hook


DEFINITION

Classification: 52/37

(under subclass 27) Structure wherein the article support means is attached to or adjacent a door or window frame, usually a window washer's hook to which a safety belt may be

attached.

SEE OR SEARCH CLASS

49, Movable or Removable Closures,

50+, for a movable or removable shield which blocks a passage vacated by a closure.

182, Fire Escape, Ladder, or Scaffold,

53+, for a balcony-like platform detachably mounted in a window opening. 211, Supports: Racks,

87.01+, for a rack with means specializing it for mounting on a window frame.