Mechanical and Utility Jewelry Patents 1930-1939

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

 
Jewelry Patents 1930 – 1939
 
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.
 
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.

Vance 1,756,041 Bracelet/Brooch 1930

Lampl 1,771,129 Necklace/Brooch 1930

Anderson 1,779,957 Brooch clasp 1930

Sulgar 1,797,703 Bar Pin/Choker 1931

Carlson 1,873,543 Hairpin 1932

Vidal 1,911,935 Fastener for Cartier 1933

Haage 1,931,437 Jewelry Clasp 1933 (Powers and Mayer)

Morehouse1,967,965 Clip 1934

Barmache 1,971,152 Clasp 1934

Frink 1,986,803 Clip Brooch 1935

Pearson 2,001,213 Clasp 1935 (J&L tool Co)

Placco 2,012,401 for Coro 1935

Placco 2,021,200 Clasp for Coro 1935

Candas 2,038,343 Brooch/Clip 1936

Johnson 2,039,225 Clasp 1936

Placco 2,059,276 for Coro 1936

Hurewitz 2,059,582 Clasp 1936

Hurewitz 2,059,582 Clasp 1936

Levy 2,065,903 Scarf Holder 1936

Farnham2,066,969 Safety Clasp 1937

Placco 2,080,060 for Coro 1937

Sheer 2,085,548 Pin Clip 1937

Adelsberger 2,085,723 Double Clip bracelet 1937

Placco 2,087,331 Brooch for Coro1937

Placco 2,096,133 Clip pin for Coro 1937

Tavani 2,100,554 Brooch/Clip 1937

Graillat 2,102,411 Flower holder 1937

Tuchband 2,109,759 Clasp 1938

Katz 2,112,779 Brooch 1938

Placco 2,117,823 1938

Mantz 2,118,411 Clasp 1938

Bayardi 2,118,639 Clip/Brooch 1938

Pulver 2,128,319 Separable Brooch 1938

Hirsch 2,140,262 Du Jay, 1938 Clipbrooch

Placco 2,140,594 for Coro 1938

Huppert 2,145,224 Clip 1939 Delamere Co Inc.

Louis Mazer 2,153,022 1939

Darvie 2,169,461 1939 Page 1

Darvie 2,169,461 1939 Page 2

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All Rights Reserved.
Original RCJ publications pages created and or authored
by Dorothea Stringfield