Jewelry Dating By Design Patent Number

  • DESIGN PATENT NUMBERS 1930-1980

Design patent numbers are numbers that were applied for and assigned each year to a piece based on appearance or design.  The purpose of this number is prevent others from using or duplicating that design for fourteen years from that date.  It should be noted that the piece could have existed for a time prior to to application of actual patent.

Date             First Number of the Year

1930                      080254

1931                       082966

1932                       085903

1933                       088847

1934                       091258

1935                       094179

1936                       098045

1937                       102601

1938                       107738

1939                       112765

1940                       118358

1941                        124503

1942                        130989

1943                        134717

1944                        136946

1945                        139862

1946                        143386

1947                        146165

1948                        148267

1949                        152235

1950                       156686   

1951                        161404  

1952                        165568

1953                        168527

1954                        171241

1955                        173777

1956                        176490

1957                        179467

1958                         181829

1959                         184204

1960                         186973

1961                          189516

1962                          192004

1963                          194304

1964                          197269

1965                          199955

1966                          203379

1967                          206567

1968                          209732

1969                          213084

1970                          216419

1971                           219637

1972                           222793   

1973                           225695

1974                           229729

1975                          234033

1976                          238315

1977                          242881

1978                          246811          

1979                          250676

1980                          253796

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