The  statute  reciuires  that  the  deposit  of  the  copyright
work  shall  be  made  "promptly,"  which  has  been  defined
as  "without  unnecessary  delay."  It  is  not  essential,
however,  that  the  deposit  be  made  on  the  very  day  of
publication.
25.  Published  works  arc  such  as  are  ])riuted  or  other-
wise produced  and  "placed  on  sale,  sold,  or  publictly
distributed."     Works  intended   for  sale  or  general   dis-


APPENDIX  749

tribution  should  first  be  printed  with  the  statutor>'  form
of  cojnTight  notice  inscribed  on  every  copy  published  or
ofT(T('d  for  sale  in  the  United  States.
The  following  works  cannot  be  registered  until  after
they  have  been  published:  Books,  periodicals,  maps,
prints  and  pictorial  illustrations.
NOTICE    OF   COPYRIGHT

26.  The  ordinary  form  of  copyright  notice  for  books,
periodicals,  dramatic  and  musical  comj)ositioiis  is  "Copy-
right, 19 —  (the  year  of  publication),  by  A.  B.  (the  name
of  the  claimant)."  The  name  of  the  claimant  printed  in
the  notice  should  be  the  real  name  of  a  living  person,  or
his  trade  name  if  he  always  uses  one  (but  not  a  pseudonym
or  j)en  name),  or  the  name  of  the  firm  or  corporation
claiming  to  own  the  copjTight.
27.  In  the  case  of  maps,  j)hotographs,  reproductions
of  works  of  art,  prints  or  pictorial  illustrations,  works  of
art,  models  or  designs  for  works  of  art,  and  plastic  works
of  a  scientific  or  technical  character,  the  notice  may
consist  of  the  letter  C,  inclosed  witliin  a  circle,  thus  (c),
accompanied  by  the  initials,  monogram,  mark,  or  sjtu-
bol  of  the  copyright  pr()i)rietor.  But  in  such  cases  the
name  itself  of  the  copyright  proprietor  must  appear  on
some  accessible  portion  of  the  work,  or  on  the  mount  of
the  ])icture  or  map,  or  on  the  margin,  back,  or  permanent
base  or  pedestal  of  the  work.
