Solicitação de exame técnico
#4.1
11/24/1987
RPI 892
Application data
Number
PI8604739Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 11/24/1987. We update with every new RPI gazette, published weekly.
Applicants
M. C. (pessoa física)
US
Inventors
J. W. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/24/1987
RPI 892
#1.3
08/04/1987
RPI 876
#21.1
Patente extinta em 06/02/2001
07/22/2008
RPI 1959
#16.1
02/26/1991
RPI 1056
#9.1
10/23/1990
RPI 1038
#6.1
05/29/1990
RPI 1020
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