Solicitação de exame técnico
#4.1
07/28/1987
RPI 875
Application data
Number
PI8506211Type
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: 07/28/1987. We update with every new RPI gazette, published weekly.
Applicants
U. C. (pessoa física)
US
Inventors
W. V. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
07/28/1987
RPI 875
#1.3
04/15/1986
RPI 808
#21.1
Patente extinta em 28/03/2000
07/15/2008
RPI 1958
#20.1
10/25/1994
RPI 1247
10/18/1994
RPI 1246
#16.1
05/28/1991
RPI 1069
#13.1
02/13/1991
RPI 1054
#9.1
10/30/1990
RPI 1039
#6.1
05/15/1990
RPI 1018
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