Solicitação de exame técnico
#4.1
10/25/1988
RPI 940
Application data
Number
PI8507186Type
Filing
Publication
PCT
US1985002278 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: 10/25/1988. We update with every new RPI gazette, published weekly.
Applicants
A. I. (pessoa física)
US
Inventors
J. R. (pessoa física)
DE
R. U. (pessoa física)
DE
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/25/1988
RPI 940
#1.3
07/14/1987
RPI 873
#21.1
Patente extinta em 20/11/2000
07/15/2008
RPI 1958
#16.1
08/25/1992
RPI 1134
#13.1
03/03/1992
RPI 1109
#9.1
10/22/1991
RPI 1090
#6.1
06/11/1991
RPI 1071
From the same holder
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