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Illusion Jewels Vintage Costume Jewelry Links to Jewelry Research
August 24, 2019
Selro & Selini Jewelry: Styles and Findings
August 24, 2019

Vintage Jewelry Patents

Published by Mark Lewis on August 24, 2019
Categories
  • Mechanical and Utility Jewelry Patents
Tags

Costume Jewelry Collectors
Presents
an original publication by RCJ and Dorothea Stringfield

Want to know the difference in a patent, a copyright or trademark?    Visit the US Patent Website!

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

Definitions:

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.

*Written permission necessary to use information or pictures from this site in any other publications, written or electronic.

Patents for Cartier Jewelry
Cartier Jewelry Patents
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


Researching Costume Jewelry Home      More Jewelry Designer Articles

Copyright 1997 to present — www.costumejewelrycollectors.com —
All Rights Reserved.
Original RCJ publications pages created and or authored
by Dorothea Stringfield

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Mark Lewis
Mark Lewis

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