Solicitação de exame técnico
#4.1
09/01/1987
RPI 880
Application data
Number
PI8404136Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 09/01/1987. We update with every new RPI gazette, published weekly.
Applicants
CPC International Inc.
US
Inventors
L. C. (pessoa física)
BE
R. S. (pessoa física)
BE
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/01/1987
RPI 880
#3.1
07/16/1985
RPI 769
#2.1
10/23/1984
RPI 731
#21.1
Patente extinta em 20/08/99
07/08/2008
RPI 1957
#16.1
04/30/1991
RPI 1065
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Same category
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