CORRECT TECHNIQUE IN ORAL HYGIENE

Registration MU3933 Copyright term expired

Term began: 1927-04-11
Claimant: Bertram B. Machat
Class: MU — unpublished motion picture other than a photoplay
Finding: copyright term began 1927-04-11; the maximum term (28 + 67 years) ended before 2026-01-01
In the public domain since: 1 January 2023 (maximum 95-year term from 1927)

The copyright term began before 1931. Under US law every such term, renewed or not, ended before 2026-01-01.

Catalog of Copyright Entries, Motion Pictures 1912–1939 (Library of Congress, 1951), Project Gutenberg #51836, lines 42545–42548.

  CORRECT TECHNIQUE IN ORAL HYGIENE. © 1927.

    © Bertram B. Machat; title, descr. & 16 prints, 11Apr27; MU3933.

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