Notificação para pagamento de retribuição
#13.1
09/05/1989
RPI 985
Application data
Number
PI8008742Type
Filing
Publication
PCT
US1980000785 The letters patent expired on 11/21/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 09/05/1989. We update with every new RPI gazette, published weekly.
Applicants
Sherex Chemical Company, Inc.
US
Inventors
E. R. (pessoa física)
US
M. W. (pessoa física)
US
IPC Classification
Priority claims
US
06/052.665 (32) · 06/27/1979
Publications in the Brazilian Industrial Property Gazette (RPI).
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: C11D 3/30; B01F 17/02; C07C 93/02.
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