Patent · US Expired

Single-piece sandwich frame clipboard apparatus

US5887902A · kind A · utility

27Cited by
12References
9Claims
0Family size

Inventors

Key dates

Filing dateMar 20, 1996
Grant dateMar 30, 1999
Priority date
Expiry dateMar 20, 2016

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB42F9/001
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A clipboard apparatus comprising a single sheet of plastic folded over to form two planar surfaces which allow the insertion of reference material into the sandwiched area formed between the two planar surfaces of said folded plastic sheet so as to protect said reference material from surrounding adverse elements. The clipboard apparatus further includes a clip assembly, attached to the planar surface at or near the fold, for securing a piece of paper to the outside smooth surface of the clipboard for writing, or drawing, on the surface.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.