Signals and indicators – Indicators – Page type
Patent
1988-11-09
1989-09-26
Cuchlinski, Jr., William A.
Signals and indicators
Indicators
Page type
116234, 281 42, B42D 900
Patent
active
048691968
ABSTRACT:
A coiled bookmark which is designed for mounting on the book binding or spine of a book and is positioned in a cavity provided in the pages of the book adjacent to the spine, when not in use. The coiled bookmark is constructed of a resilient, preferably transparent material having a built-in "memory" or bias for selectively coiling in the bookmark cavity and extension from the bookmark cavity across selected open pages to mark the pages when the book is closed on the extended bookmark. Multiple coiled bookmarks may be provided in spaced relationship along the book spine for marking several pages simultaneously.
REFERENCES:
patent: 865092 (1907-09-01), Erickson
patent: 1168159 (1916-01-01), Carson
patent: 1380031 (1921-05-01), Abbott
patent: 2457662 (1948-12-01), Hamilton
patent: 2539687 (1951-01-01), Barsotti
patent: 3350806 (1967-11-01), Davenport
Cuchlinski Jr. William A.
Harrison John M.
Worth W. Morris
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