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Sumaryo
Pagladawan1963 Zepel advertisement.jpg
English: In 1963, DuPont began to market its Teflon treatment as a waterproofing and stain-resistant treatment for fabrics, under the name Zepel.
Petsa
Pinagkunan
Advertisement on pg. 98 of the Oct. 18, 1963 issue of LIFE magazine.
Kagsurat
DuPont Corporation
Paglisensya
Public domainPublic domainfalsefalse
This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.