Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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EMIL GUEPFERT
Original Assignee
EMIL GUEPFERT
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Application filed by EMIL GUEPFERTfiledCriticalEMIL GUEPFERT
Application grantedgrantedCritical
Publication of FR448996ApublicationCriticalpatent/FR448996A/fr
B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
B42D9/00—Bookmarkers; Spot indicators; Devices for holding books open; Leaf turners
B42D9/04—Leaf turners
B42D9/08—Leaf turners having radial arms, one per leaf, operated successively
B42D9/084—Leaf turners having radial arms, one per leaf, operated successively actuated by a single spring
FR448996D1912-09-301912-09-30Dispositif pour tourner les pages des cahiers de musique
ExpiredFR448996A
(fr)