Patents for Vintage Jewelry

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Also, visit Jewelry Patents, a large patent resource   Jewelry Patents

A Design Patent only protects the appearance of an article, not it's structural or functional features, and is usually used for decorative items.
A Utility Patent protects the structure and function of the invention.

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Mechanical Patents
Jewelry Utility Patents
1900 - 1929   1930 - 1939
1940 - 1959   1960 - 1979  
jewelry patents for Trifari
Trifari Jewelry Patents
1937   1938   1939   1940   1941   1942
   1943   1944   1945   1946   1947   1948   1949

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