Solicitação de exame técnico
#4.1
11/24/1987
RPI 892
Application data
Number
PI8506804Type
Filing
Publication
PCT
US1985001186 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: 11/24/1987. We update with every new RPI gazette, published weekly.
Applicants
P. C. (pessoa física)
US
Inventors
W. S. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/24/1987
RPI 892
#1.3
11/25/1986
RPI 840
#21.1
Patente extinta em 24/06/2000
07/15/2008
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#16.1
08/27/1991
RPI 1082
#13.1
05/14/1991
RPI 1067
#9.1
01/22/1991
RPI 1051
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06/19/1990
RPI 1023
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