private letters, 53 suits for infringement of, 97, 149 COMPLETE COPIES OF PUBLISHED WORKS defective copies should be replaced COMPONENT PARTS OF WORK one copyright protects all copy- proprietor may assign copyright in separate copyright may be had by CONFIDENTIAL COMMUNICATIONS protected against breach of trust § 12, "action or proceeding" in- not fatal to copyright, 75, 76 § 15, "book of foreign origin", 85 § 18, form of notice of copyright, § 19, position of notice, 69 title-page lacking, 70, 71 § 20, saving clause applicable only does not apply when notice does not apply to omission of § 23, "employer for hire" entitled CONSTRUCTION OF SPECIFIC SECTIONS OF COPYRIGHT ACT-Contd. § 62, definition of "the date of pub- CONTRACTS INVOLVING LITERARY PROPERTY alteration of story for motion pic- reservation of rights, 81 right to enjoy renewal term, 104, 108 CONTRIBUTIONS TO PERIODICALS assignments of, 81, 82 republished separately, proper no- special registration, provision for, 80 COPIES OF PUBLISHED WORKS best edition, 77 complete copies, 78 contributions works, 82 to other composite contributions to periodicals, 80, 81 proof copies, 77 COPYING see also Infringement of Copyright different medium of expression, 113 literal repetition not necessary to music records, 138 projecting picture on screen, 113, similarities, as evidence of, 114 COPYRIGHT abandonment of, 36, 62 ad interim, 90 indivisible with respect to right to method of securing for unpublished origin and development of Ameri- rights embraced in, 111 vests on publication with notice, or when secured, supersedes common- DEPOSIT OF COPIES OF PUBLISHED WORKS "accompanied in each case by a after registration as unpublished, 98 failure to deposit after demand may mailing, no postage required, 88 ferred until publication, 80 primary purpose of deposit, 98 DESIGNS FOR ARTICLES OF MANUFACTURE common-law protection lost on gen- include works belonging to fine DEVICES, TOOLS, IMPLEMENTS accompanied by copyrightable mate- DOMICILE how acquired, 53 DRAMATIC COMPOSITIONS cartoons as basis of, 119 founded on works or plots in public need not be printed in United pantomimes, 18 performance of not publication, 58 DRAMATIC WORKS include photoplays whether based DRAMATICO-MUSICAL COMPOSITIONS |