Patent · US Expired

Diary with combination-controlled lock

US4453743A · kind A · utility

31Cited by
7References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 30, 1981
Grant dateJun 12, 1984
Priority date
Expiry dateOct 30, 2001

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T70/5049
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A combination-controlled lock assembly for use with a journal or book, such as a diary, which comprises a lock housing, a first cover clamp securing the housing to one book cover, a second cover clamp affixed to the other book cover and having a latch element thereon which is intermateable with said housing, a latching plate slidably disposed within said housing, said plate having an open hook-shaped receptacle aligned for intermating with said latch element and slidable with said plate between a latching position and a retracted position, and combination-controlled means for selectively enabling the latching plate to slide within said housing between said positions.

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