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  2. Public domain in the United States - Wikipedia

    en.wikipedia.org/wiki/Public_domain_in_the...

    On that date, all sound recordings fixed before February 15, 1972, will go into the public domain in the United States. For sound recordings fixed on or after February 15, 1972, the earliest year that any will enter the public domain in the U.S. will be 2043, [ 14 ] and not in any substantial number until 2048. [ 15 ]

  3. Shelf life - Wikipedia

    en.wikipedia.org/wiki/Shelf_life

    Shelf life. This pack of diced pork says 'Display until' 7 May and 'Use by' 8 May. Shelf life is the length of time that a commodity may be stored without becoming unfit for use, consumption, or sale. [1] In other words, it might refer to whether a commodity should no longer be on a pantry shelf (unfit for use), or no longer on a supermarket ...

  4. Expiration date - Wikipedia

    en.wikipedia.org/wiki/Expiration_date

    The expiration date of pharmaceuticals specifies the date the manufacturer guarantees the full potency and safety of a drug. Most medications continue to be effective and safe for a time after the expiration date. A rare exception is a case of renal tubular acidosis purportedly caused by expired tetracycline. [7]

  5. Drug expiration - Wikipedia

    en.wikipedia.org/wiki/Drug_expiration

    Drug expiration. Drug expiration is the date after which a drug might not be suitable for use as manufactured. Consumers can determine the shelf life for a drug by checking its pharmaceutical packaging for an expiration date. Drugs which are past their shelf life can decompose [1] and either be ineffective [2] or even harmful. [2]

  6. List of copyright terms of countries - Wikipedia

    en.wikipedia.org/wiki/List_of_copyright_terms_of...

    25 years from the first day of the year following the first disclosure if copyright protection of a scope consistent with the author's economic rights shall be due to the person who, following the expiration of the term of protection or the period of time determined in the term of protection shall be counted from a date other than the first day ...

  7. List of date formats by country - Wikipedia

    en.wikipedia.org/wiki/List_of_date_formats_by...

    All examples use example date 2021-03-31 / 2021 March 31 / 31 March 2021 / March 31, 2021 – except where a single-digit day is illustrated. Basic components of a calendar date for the most common calendar systems: D – day; M – month; Y – year; Specific formats for the basic components: yy – two-digit year, e.g. 24; yyyy – four-digit ...

  8. Public Domain Day - Wikipedia

    en.wikipedia.org/wiki/Public_Domain_Day

    January 1, 2025. ( 2025-01-01) Frequency. annual. Public Domain Day ( PDD) is an observance of when copyrights expire and works enter into the public domain. [ 1] This legal transition of copyright works into the public domain usually happens every year on January 1 based on the individual copyright laws of each country.

  9. Period-after-opening symbol - Wikipedia

    en.wikipedia.org/wiki/Period-after-opening_symbol

    The period-after-opening symbol or PAO symbol is a graphic symbol that identifies the useful lifetime of a cosmetic product after its package has been opened for the first time. It depicts an open cosmetics pot and is used together with a written number of months or years. In the European Union, cosmetics products with a shelf life of at least ...