Solicitação de exame técnico
#4.1
06/21/1988
RPI 922
Application data
Number
PI8702998Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 06/21/1988. We update with every new RPI gazette, published weekly.
Applicants
S. I. (pessoa física)
US
Inventors
M. L. (pessoa física)
US
T. K. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/21/1988
RPI 922
#3.1
03/08/1988
RPI 907
#2.1
08/18/1987
RPI 878
#21.1
Patente extinta em 12/06/2002
07/29/2008
RPI 1960
#16.1
10/27/1992
RPI 1143
#13.1
06/30/1992
RPI 1126
#15.11
05/12/1992
RPI 1119
#9.1
02/11/1992
RPI 1106
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