Solicitação de exame técnico
#4.1
12/08/1987
RPI 894
Application data
Number
PI8502364Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 12/08/1987. We update with every new RPI gazette, published weekly.
Applicants
American Cyanamid Company
US
Inventors
J. J. (pessoa física)
US
Priority claims
US
612.531 · 05/21/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/08/1987
RPI 894
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01/21/1986
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Patente extinta em 20/05/2000
07/15/2008
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09/24/1991
RPI 1086
#13.1
06/04/1991
RPI 1070
#9.1
02/19/1991
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08/21/1990
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