Costume Jewelry Collectors
an original publication by RCJ and Dorothea Stringfield
Jewelry Patents 1911 – 1929
Dotty’s friend Mary Walden-Till of the UK is responsible for these pages of utility patents. Her dedication in searching the US patent website and willingness to share her findings is greatly appreciated.
- 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.
1900 – 1929
1930 – 1939
1940 – 1959
1961 – 1971
*Written permission necessary to use information or pictures from this site in any other publications, written or electronic.
Spaney & Maye
Hair Pin 1913
Hair comb 1923
Cameo brooch 1928
removable letters 1929
Brooch Bar Pin 1929
Researching Costume Jewelry Home More Jewelry Designer Articles
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All Rights Reserved.
Original RCJ publications pages created and or authored
by Dorothea Stringfield