Solicitação de exame técnico
#4.1
12/13/1988
RPI 947
Application data
Number
PI8606796Type
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: 12/13/1988. We update with every new RPI gazette, published weekly.
Applicants
A. I. (pessoa física)
US
Inventors
W. G. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/13/1988
RPI 947
#1.3
10/13/1987
RPI 886
#21.1
Patente extinta em 12/06/2001
07/22/2008
RPI 1959
#16.1
03/30/1993
RPI 1165
#13.1
10/27/1992
RPI 1143
#9.1
06/09/1992
RPI 1123
#6.1
11/26/1991
RPI 1095
From the same holder
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